Table 3.
Vit. D level change (difference Vit. D-w1–Vit. D-w4) during illness and IgG level change 3 months PSO (difference IgG-w4–IgG-m4).
| Vitamin D change | IgG change | ||||
|---|---|---|---|---|---|
| Difference Vit. D-w1–Vit. D-w4 |
Statistics | Difference IgG-w4–IgG-m4 |
Statistics | ||
| Frequency N (%) | Increase | 17 (34.0) | 11 (64.7) | ||
| Decrease | 33 (66.0) | 7 (35.3) | |||
| Sex N (mean rank) | U = 266, p = 0.372 | U = 30, p = 0.763 | |||
| F | 26 (23.73) | 11 (9.27) | |||
| M | 24 (27.42) | 6 (8.50) | |||
| Age N (mean rank) | H(5) = 6.027, p = 0.304 | H(4) = 4.036, p = 0.401 | |||
| 0–29 | 5 (25.9) | 4 (8.50) | |||
| 30–39 | 3 (20.67) | 3 (10.00) | |||
| 40–49 | 4 (41.88) | 3 (8.67) | |||
| 50–59 | 10 (21.95) | 3 (4.67) | |||
| 60–69 | 14 (24.89) | 4 (12.25) | |||
| 70+ | 14 (24.86) | ||||
| Disease severity N (mean rank) | H(3) = 0.542, p = 0.910 | H(2) = 6.489, p = 0.039 | |||
| Mild | 8 (25.31) | 8 (6.63) | |||
| Moderate | 18 (24.00) | 6 (9.00) | |||
| Severe | 22 (26.30) | 3 (15.33) | |||
| Critical | 2 (31.00) | ||||
| Hospitalisation N (mean rank) | U = 194.5, p = 0.309 | U = 2, p = 0.017 | |||
| No | 13 (21.96) | 14 (7.64) | |||
| Yes | 37 (26.74) | 3 (15.33) | |||
| Difference between medians N (mean rank) | Z = − 2.129, p = 0.033 | Z = − 2.107, p = 0.035 | |||
| Negative Ranks | 33 (26.00) | 11 (11.0) | |||
| Positive Ranks | 17 (24.53) | 6 (5.33) | |||
U Mann–Whitney U test, H Kruskal–Wallis test, Z Wilcoxon Signed Ranks test.