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
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) | |||