Skip to main content

Table 5 Quality Assessment of Articles Selected – Demographics Results

From: Epidemiology and demographics of juvenile idiopathic arthritis in Africa and Middle East

Sr. No.

Reference

Country

Study Design

N (no. of cases)

Classification Criteria

Time Period

Limitations

Regional

1

Consolaro et al., 2019 [22]

Africa and Middle East

Retrospective chart review with prospective cross-sectional questionnaire

1209

ILAR

2011-2016

•There was disproportionate number of patients included from various geographical areas

•Potential underrepresentation of milder forms of JIA and referral bias

•Wide variation in tests and evaluation can affect evaluations or tests

•Some countries could not be included

•Method of grouping some countries in a particular geographical area was arbitrary

•Wide variation in healthcare resources across countries

2

Al-Mayouf et al., 2021 [28]

Arab (Saudi Arabia, Libya, United Arab Emirates, Jordan, Oman, Egypt, Kuwait)

Retrospective chart review with prospective disease activity and disease assessment

702

ILAR

2010-2019

•It was a cross-sectional analysis

•There is a possibility of patients

•selection bias as the participating centers did not enroll the same number of patients

•Wide variation in healthcare resources across countries

Country

3

Khuffash et al., 1988 [13]

Kuwait

Hospital, consultations

41

ARA

1978-1987

•10-year study period

•ACR criteria utilized

•Potential referral bias of more severe cases specifically systemic JIA

4

Khuffash et al., 1990 [14]

Kuwait

Hospital, medical records revised by experts, hospital attendance

108

ARA

1981-1988

•Retrospective

•Large population cohort

•Possible underestimation of undiagnosed cases in the community and nonreferral by primary care practitioners

•Children aged between 12 and 16 years were excluded.

•Female children possibly underrepresented

•No current data is available

5

Abdwani et al., 2015 [11]

Oman

Retrospective, Hospital, medical records, multicentre

107

ILAR

2004-2013

•Retrospective

•10-year study duration

•Potential underestimation, only children <13 years of age were included

•Potential referral bias, study might have missed on milder cases

6

Ozen et al., 1998 [15]

Turkey

Community based survey (parent questionnaire, clinical exam in homes)

30

EULAR

1997

•Community-based study from 5 districts in turkey

•Possible Exclusion of undiagnosed cases not identifiable from questionnaires may have led to possible underestimation

7

Abou El-Soud et al., 2013 [12]

Egypt

Population based in Sharkia Governate prospective study, with retrospective chart review

132

ILAR

2009-2010

•First population-based study from Sharkia governate

•Large population cohort included 19 districts

•Possible underestimation of numbers due to undiagnosed cases in the community and nonreferral from primary care practitioners

8

Furia et al., 2020 [47]

Tanzania

Retrospective hospital chart review

28

EULAR

2012-2019

•Single centered study

•Retrospective study

•Possible referral bias and underestimation of milder forms of disease

9

Aiche et al., 2018 [31]

Algeria

Cross sectional survey parent/PRO

70

ILAR

2012-2013

•The objective of the study was to cross-culturally adapt and validate child/adult version of the Juvenile Arthritis Multidimensional Assessment

Report (JAMAR) in JIA patients

•Possible selection bias

•Only selected centers were invited to participate

10

Al Marri et al., 2017 [32]

Saudi Arabia

Prospective record review

23

ILAR

1990-2015

•Potential referral bias could have caused the overall frequency of familial JIA and recurrence risk

•Heterogeneous patients were included and were not compared with controls

11

Al-Mayouf et al., 2018 [35]

Saudi Arabia

Cross sectional survey parent/PRO

100

ILAR

2012-2016

•The objective of the study was to cross-culturally adapt and validate child/adult version of the Juvenile Arthritis Multidimensional Assessment

Report (JAMAR) in JIA patients

Possible selection bias

•Only selected centers were invited to participate

12

Salah et al., 2009 [63]

Egypt

Retrospective hospital chart review

196

ILAR

1990-2006

•Single center tertiary hospital study

•Higher frequency of oligoarticular JRA, polyarticular and systemic onset JRA could be due to referral bias to tertiary care facilities

13

Al-Abrawi et al., 2018 [33]

Oman

Cross sectional survey parent/PRO

57

ILAR

2012-2013

•The objective of the study was to cross-culturally adapt and validate child/adult version of the Juvenile Arthritis Multidimensional Assessment

Report (JAMAR) in JIA patients

•Possible selection bias

•Only selected centers were invited to participate

14

Demirkaya et al., 2018 [45]

Turkey

Cross sectional survey parent/PRO

466

ILAR

2012-2014

•The objective of the study was to cross-culturally adapt and validate child/adult version of the Juvenile Arthritis Multidimensional Assessment

Report (JAMAR) in JIA patients

•Possible selection bias

•Only selected centers were invited to participate

15

El Miedany et al., 2018 [46]

Egypt

Cross sectional survey parent/PRO

100

ILAR

2014-2015

•The objective of the study was to cross-culturally adapt and validate child/adult version of the Juvenile Arthritis Multidimensional Assessment

Report (JAMAR) in JIA patients

•Possible selection bias

•Only selected centers were invited to participate

16

Hashad et al., 2018 [48]

Libya

Cross sectional survey parent/PRO

100

ILAR

2014-2015

•The objective of the study was to cross-culturally adapt and validate child/adult version of the Juvenile Arthritis Multidimensional Assessment

Report (JAMAR) in JIA patients

•Possible selection bias

•Only selected centers were invited to participate

17

Oyoo et al., 2016 [55]

Kenya

Retrospective hospital chart review

68

ILAR

2009-2016

•Single center tertiary hospital study

•Center covers patients from all over Kenya, greater East and Central African region

•RF positive polyarthritis patients may be overrepresented which were classified using only one positive assay

•Possible underrepresentation of RF negative polyarthritis

•Potential referral bias of severe forms of the disease

18

Scott et al., 2018 [57]

South Africa

Cross sectional survey parent/PRO

91

ILAR

2013-2016

•The objective of the study was to cross-culturally adapt and validate child/adult version of the Juvenile Arthritis Multidimensional Assessment

Report (JAMAR) in JIA patients

•Possible selection bias

•Only selected centers were invited to participate

19

Sen et al., 2015 [58]

Turkey

Retrospective hospital chart review

213

ILAR

1998-2013

•Single center study

•The collected data may be incomplete and incorrect due to the retrospective study design

•HLA-B27 test was not done for all patients

20

Shafaie et al., 2018 [59]

Iran

Cross sectional survey parent/PRO

102

ILAR

2012

•The objective of the study was to cross-culturally adapt and validate child/adult version of the Juvenile Arthritis Multidimensional Assessment

Report (JAMAR) in JIA patients

•Possible selection bias

•Only selected centers were invited to participate

21

Yener et al., 2020 [61]

Turkey

Retrospective hospital chart review

116

ILAR

2012-2018

•Single center study

•Retrospective cohort study

•The study included lower number of patients as compared to other studies conducted in the country

22

Çakan et al., 2017 [41]

Turkey

Retrospective hospital chart review

265

ILAR

2010-2016

•Single center study

•The study included lower number of patients

•Short follow-up time

23

Kasapçopur et al., 2004 [51]

Turkey

Retrospective hospital chart review

198

ILAR

NA

•Single center study

•Study conducted to determine frequency of ANA positivity and uveitis in newly diagnosed JIA patients

24

Ozdogan et al., 1991 [56]

Turkey

Retrospective hospital chart review

147

EULAR/WHO

1980-1988

•Single center study

•Potential referral bias of milder forms of comorbidities such as uveitis

25

Abdul-Sattar et al., 2014 [30]

Egypt

Cross sectional Medical chart review, school attendance records, HRQOL questionnaire

52

ILAR

2011-2013

•Single center study

•Included patients aged 7-17 years diagnosed to ILAR criteria

•Study aimed to investigate JIA patients school absenteeism and school functioning

•Potential selection and referral bias

•Cross-sectional study design limits the ability to determine temporal relationships between risk factors and both of school absenteeism and of poor school functioning

26

Abdul-Sattar et al., 2014 [29]

Egypt

Medical chart review, Health related quality of life (HRQoL) questionnaire

58

ILAR

2010-2012

•Single center study

•Included patients aged 8-18 years diagnosed to ILAR criteria

•Small study sample

•Study aimed to identify determinants of impaired HRQOL in children with JIA

•Cross-sectional design limits the ability to determine temporal relationships between risk factors and HRQOL

27

Albokhari et al., 2019 [36]

Saudi Arabia

cross sectional health related quality of life survey

44

ILAR

2017

•Single center study

•Study aimed to evaluate effect of JIA on HRQOL

•Single center study

•Potential referral bias and over representation of more severe forms

28

Al-Hemairi et al., 2015 [34]

Saudi Arabia

Retrospective hospital chart review

82

ILAR

2007-2015

•Retrospective record-based study

•Single centered

•Small sample size

•Diagnosis was confirmed by pediatric rheumatologist

29

Amine et al., 2009 [38]

Morocco

Health related quality of life (HRQoL) survey

80

ILAR

2006-2007

•The aim of the study was to assess HRQoL- related impact of JIA

•Demographics, subtype, clinical and lab parameters were obtained for patients

•Potential selection and referral bias over-representation of severe forms

30

Bahabari et al., 1997 [39]

Saudi Arabia

Retrospective hospital chart review with prospective follow-up

115

ACR

1978-1993

•Multi-center study

•18 months follow up

•Potential referral bias and under representation of milder forms

31

Bouaddi et al., 2013 [40]

Morocco

Cross-sectional prospective

33

ILAR

2013

•Aim of the study was to assess the impact of JIA on schooling

•Single center

•Case control

•Small sample size

32

Chipeta et al., 2013 [42]

Zambia

Retrospective hospital chart review

78

EULAR/ILAR

1994-1998 and 2006-2010

•Single center

•Potential referral bias

•Two different classifications were used for each study period

•1994-1998 EULAR

•2006-2010 ILAR

•ANA test was not routinely available

33

Hussein et al., 2018 [49]

Egypt

Retrospective hospital chart review with prospective follow-up

63

ILAR

2004-2010

•Single center

•Cross sectional design

34

Olaosebikan et al., 2017 [54]

Nigeria

Retrospective hospital chart review

28

not specified

2010-2016

•Single center

•Patients referred to adults rheumatologists due to lack of pediatric rheumatology service

•The study included all types of pediatric rheumatology patients, hence unreliable representation of JIA demographics

35

Weakley et al., 2012 [60]

South Africa

Prospective cross sectional

78

ILAR

2010-2011

•Small sample size

•Sample bias

•Mutli-center

36

Mostafa et al., 2019 [53]

Egypt

Cross sectional HRQol and functional disability questionnaire

48

ILAR

2018

•Aim of the study was to assess functional disability in JIA patients

•Single-centered

•Potential referral bias and underrepresentation of milder forms

37

Dagher et al., 2014 [43]

Lebanon

Retrospective chart review

66

ILAR

2010-2014

•Single center

•Potential referral bias

38

Khawaja et al., 2017 [52]

UAE

Retrospective hospital chart review ICD codes

66

ILAR

2011-2014

•Aim of the study was to assess access to care for JIA patients amongst local and non-local population

•Potential referral bias

•Selection bias

39

Alzyoud et al., 2020 [37]

Jordan

Retrospective hospital chart review

210

ILAR

2015-2019

•Single center

•Potential referral bias

•Patients above 14 years of age were not included

40

Demirkaya et al., 2011 [44]

Turkey

Retrospective cross sectional from registry

634

ILAR

2008-2009

•Multi-center

•Registry is not representative of all centers from Turkey

41

Karadag et al., 2020 [50]

Turkey

Retrospective hospital chart review with prospective data collection

281

ILAR

2018-2019

•Retrospective chart review

•1-year study duration, some patients did not have final diagnosis confirmed

•Single center

•Potential referral bias

42

Yilmaz et al., 2008 [62]

Turkey

Retrospective chart review

196

ILAR

1995-2004

•Hospital based

•Single center

•Referral bias may explain low prevalence of oligoarticular JIA and low uveitis