From: Epidemiology and demographics of juvenile idiopathic arthritis in Africa and Middle East
Sr. No. | Reference | Country | Study Design | No. of studies included | Sample size | Single or multiple center | Classification Criteria | Time Period | Study features and Limitations |
---|---|---|---|---|---|---|---|---|---|
Global/Regional | |||||||||
1. | Usenbo et al., 2015 [10] | Africa | Systematic Review | 27 cross-sectional studies | NA | NA | Multiple criteria | 1975-2014 | •The studies included do not follow a standardized diagnostic criterion •Risk of bias assessed for each study included •Studies on JIA were not pooled in a meta-analysis due to wide statistical heterogeneity |
Country | |||||||||
2. | Khuffash et al., 1988 [13] | Kuwait | Hospital, consultations | NA | 186,363 | Not reported | ACR (for 3 months) | 1978-1987 | •10-year study period •ACR criteria utilized •Potential referral bias of more severe cases specifically systemic JIA |
3. | Khuffash et al., 1990 [14] | Kuwait | Hospital, medical records revised by experts, hospital attendance | NA | 577,540 | Multi-center | ACR (for 3 months) | 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 |
4. | Abdwani et al., 2015 [11] | Oman | Hospital based, medical records | NA | 528,480 | Multi-center | ILAR 2004 | 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 |
5. | Ozen et al., 1998 [15] | Turkey | Community based survey (parent questionnaire, clinical exam in homes by trained practitioners) | NA | 46,813 | Multi-center | EULAR (for 6 weeks) | 1997 | •Community-based study from 5 districts in turkey •Possible Exclusion of undiagnosed cases not identifiable from questionnaires may have led to possible underestimation |
6. | El-Soud et al., 2013 [12] | Egypt Sharkia Governate, Egypt | Population based prospective study, with retrospective chart review | NA | 3,844,718 | Multi-center | 2004 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 |
7. | Singwe-Ngandeu et al., 2013 [16] | Cameroon | Cross sectional medical chart review | NA | 34,782 | Multi-center | Not reported | 2004-2012 | •Retrospective •Large population cohort •Potential referral bias of more severe cases |
8. | Tayel et al., 1999 [17] | Egypt Alexandria | Community based confirmed by clinical examination | NA | 1500 | NA | EULAR | NA | •Cross sectional •School based •The prevalence period, method of data collection studied is unclear |