Table 3.
Descriptive Characteristics for the Retrospective Cohort Data for Vitamin D Status, Dosage, and Disease Activity Variables.
| Variables | Time 1 | Time 2 | Time 3 |
|---|---|---|---|
| Serum 25(OH)D status (nmol/L) | (n = 116) | (n = 118) | (n = 66) |
| 58.2 ± 29.9 | 60.1 ± 31.2 | 74.5 ± 42.6 | |
| Vitamin D categories | (n = 116) | (n = 118) | (n = 66) |
| Deficient | 21 (18) | 18 (15.2) | 9 (13.6) |
| Insufficient | 30 (26) | 37 (31.3) | 12 (18.1) |
| Adequate | 35 (30) | 26 (22.1) | 16 (24.2) |
| Optimal | 30 (26) | 37 (31.3) | 29 (43.9) |
| Vitamin D doses (IU/day) | (n = 48) | (n = 56) | (n = 47) |
| 1629 ± 1190 | 2095 ± 1860 | 2085 ± 1501 | |
| hs-CRP( mg/L) | (n = 192) | (n = 195) | (n = 158) |
| 13.0 ± 22.3 | 11.2 ± 28.9 | 7.2 ± 15.4 | |
| hs-CRP categories | (n = 192) | (n = 195) | (n = 158) |
| Low risk | 35 (18.2) | 42 (21.5) | 49 (31) |
| Intermediate risk | 50 (26) | 59 (30.2) | 48 (30.3) |
| High risk | 107 (55.7) | 94 (48.2) | 61 (38.6) |
| HBI score | (n = 187) | (n = 90) | (n = 67) |
| 7.0 ± 4.4 | 6.3 ± 4.8 | 6.0 ± 5.2 | |
| HBI score categories | (n = 187) | (n = 90) | (n = 67) |
| Remission | 61 (32.6) | 40 (44.4) | 35 (52.2) |
| Mild disease | 58 (31) | 17 (18.8) | 10 (14.9) |
| Moderate disease | 62 (33.1) | 29 (32.2) | 18 (26.8) |
| Severe disease | 6 (3.2) | 4 (4.4) | 4 (5.9) |
| Season | (n = 201) | (n = 201) | (n = 168) |
| April to September | 115 (57.2) | 94 (46.8) | 114 (67.8) |
| October to March | 86 (42.8) | 107 (53.2) | (32.1) |