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Table 1 Univariate relationships between clinical risk factors and subclinical atherosclerosis and CIMT in juvenile systemic lupus study participants

From: Disease activity index is associated with subclinical atherosclerosis in childhood-onset systemic lupus erythematosus

Variable (n)

Subclinical Atherosclerosis

n (%) or mean [SD]

P value*

CIMT – mm

mean [SD]

P value*

Yes

No

Opposite Dichotomic Control

Female (22)

8 (36.4)

14 (63.6)

0.68

0.42 [0.04]

0.46 [0.05]

0.08

Caucasian (11)

5 (45.4)

6 (54.5)

0.41

0.43 [0.04]

0.44 [0.04]

0.69

Age

13 [3.3]

14.4 [2.8]

0.29

   

Disease duration in months

39 [34.2]

25.7 [20.4]

0.34

   

Clinical features

 Nephritis (25)

8 (32)

17 (68)

1

0.43 [0.04]

0.42 [0.02]

0.74

  Class IV and/or V (16)

7 (43.7)

9 (56.2)

0.12

0.44 [0.04]

0.41 [0.02]

0.052

 Neuropsychiatric symptoms (8)

3 (37.5)

5 (62.5)

1

0.43 [0.04]

0.43 [0.04]

1

 SLEDAI-2 k > 5 (17)

9 (52.9)

8 (47)

0.04

0.44 [0.05]

0.41 [0.02]

0.04

 SLEDAI-2 k

10.9 [5,7]

6.4 [5.6]

0.05

   

 SLICC/ACR DI > 0 (7)

2 (28)

5 (71)

1

0.43 [0.03]

0.43 [0.05]

0.83

 Uncontrolled hypertension

3 (75)

1(25)

0.08

0.46 [0.02]

0.43 [0.04]

0.04

 Menarche (15)

4 (26.7)

11 (73.3)

0.34

0.42 [0.03]

0.43 [0.05]

0.68

 Tanner stage ≥2 (27)

8 (29.6)

19 (70.3)

0.32

0,43 [0,04]

0,43

 

 Short stature (5)

2 (40)

3 (60)

1

0.46 [0.03]

0.43 [0.04]

0.04

 Cumulative dose prednisone

   < 0.15 mg/kg/day (2)

0

2 (100)

1

0.39 [0.02)

0.43 [0.04]

0.12

  0.15–0.40 mg/kg/day (14)

5 (35.7)

9 (64.3)

1

0.44 [0.04]

0.42 [0.04]

0.38

   > 0.40 mg/kg/day (10)

3 (30)

7 (70)

1

0.42 [0.03]

0.44 [0.05]

0.74

 Actual prednisone dose (mg/ day)

0.4 [0.3]

0.5 [1]

0.64

   

 Cumulative dose prednisone

22.6 [18.1]

16.8 [14.8]

0.46

   

 Cyclosphosphamide (15)

5 (33)

10 (67)

1

0.44 [0.04]

0.42 [0.04]

0.14

 Azathioprine (9)

3 (33)

6 (67)

1

0.43 [0.03]

0.43 [0.05]

0.85

 Mycophenolate (8)

2 (25)

6 (75)

1

0.44 [0,05]

0.43 [0,04]

0.44

 Oral contraceptive use

1 (33.3)

2 (66.7)

1

0.44 [0.04]

0.42 [0.04]

0.42

Nutritional assessment

 Excess abdominal fat (WC) (13)

2 (15.4)

11 (84.6)

0.11

0.42 [0.04]

0.44 [0.04]

0.22

 Overweight (BMI) (5)

1 (20)

4 (80)

1

0.43 [0.07]

0.43 [0.04]

0.46

 Obesity (BMI) (4)

0

4 (100)

0.27

0.43 [0.02]

0.43 [0.04]

0.74

Bioimpedance

 Excess body fat (7)

3 (42.9)

4 (57.1)

0.33

0.42 [0.02]

0.43 [0.04]

0.65

Health eating index

 Poor diet – HEI < 65 (22)

8 (36.4)

14 (63.6)

0.63

0.43 [0.03]

0.44 [0.06]

0.89

 Diet in need to adequate (6)

1 (16.7)

5 (83.3)

0.62

0.44 [0.06]

0.43 [0.03]

0.89

  1. *Fisher and Wilcoxon-Mann-Whitney tests. m media, mm millimeters, SD standard deviation, SLEDAI 2 K Systemic Lupus Erythematosus Disease Activity Index, SLICC/ACR DI Systemic Lupus International Collaborating Clinics/American College of Rheumatology Damage Index, CIMT carotid intima-media thickness, WC waist circumference, BMI body mass index, HEI healthy eating index