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Table 2 Comparison of 25(OH)D levels in patients from ICON and subjects from the KIGGS study and number/proportion of patients with a stable deficient or stable sufficient 25(OH)D status

From: Vitamin D deficiency is associated with higher disease activity and the risk for uveitis in juvenile idiopathic arthritis - data from a German inception cohort

  ICON patients, first sample KIGGS subjects
25(OH)D ng/ml
mean (SD)
25(OH)D deficient
(< 20 ng/ml)
Number (%)
25(OH)D sufficient
(≥ 30 ng/ml)
Number (%)
25(OH)D ng/ml mean (SD) 25(OH)D deficient
(< 20 ng/ml)
Number (%)
25(OH)D sufficient
(≥ 30 ng/ml)
Number (%)
All (n = 360) 22.8 (10) 158 (44) 75 (21) 19.6 (11) 221 (62) 57 (16)
Male (n = 117) 22.7 (10) 54 (49) 26 (24) 18.5 (11) 68 (62) 14 (13)
Female (n = 243) 22.8 (10) 104 (42) 49 (20) 20.1 (11) 153 (62) 43 (17)
  ICON patients, both samples    
25(OH)D ng/ml
mean (SD)
Stable 25(OH)D deficient
(2 < 20 ng/ml)
Number (%)
Stable 25(OH)D sufficient
(2 ≥ 30 ng/ml)
Number (%)
   
All (n = 360) 22.1 (8) 87 (25) 23 (7)    
Male (n = 117) 22.2 (8) 29 (25) 8 (7)    
Female (n = 243) 22.1 (8) 58 (24) 15 (6)    
ILAR categories
 Systemic JIA (n = 15) 21.8 (12) 5 (33) 2 (13)    
 Oligoarthritis (n = 173) 23.3 (8) 29 (17) 14 (8)    
 Polyarthritis, rheumatoid factor negative (n = 96) 20.9 (8) 32 (33) 4 (4)    
 Polyarthritis, rheumatoid factor positive (n = 5) 23.7 (9) 1 (20) 1 (20)    
 Enthesitis-related arthritis (n = 30) 21.1 (6) 8 (27) 1 (3)    
 Psoriatic arthritis (n = 18) 22.4 (7) 6 (33) 0 (0)    
 Other arthritis (n = 23) 20.3 (8) 8 (35) 2 (9)    
 Patients with uveitis (n = 61) 20.9 (7) 17 (28) 2 (3)    
 Patients without uveitis (n = 299) 22.4 (8) 72 (24) 22 (7)    
 ANA positive patients (n = 228) 22.4 (8) 54 (24) 14 (6)    
 ANA negative patients (n = 120) 21.6 (8) 32 (27) 9 (8)