Table 2.
Comparison of vitamin D-deficient (<20 ng/mL) and -nondeficient (≥20 ng/mL) groups among cases and controls.
| Cases | p value | Controls | p value | |||
|---|---|---|---|---|---|---|
| 25(OH)D < 20 ng/mL | 25(OH)D ≥ 20 ng/mL | 25(OH)D < 20 ng/mL | 25(OH)D ≥ 20 ng/mL | |||
| Number | 26 | 14 | 20 | 32 | ||
| Age, yrs (mean, SD) | 8.2 (2.9) | 10.1 (2.3) | 0.04 | 7.1 (3.7) | 8.4 (3.7) | 0.226 |
| Sex (male), n (%) | 14 (53.8) | 8 (57.1) | 0.55 | 9 | 16 | 0.726 |
| 25(OH)D (ng/mL), mean (SD) | 15.4 (3.4) | 28.4 (6.61) | <0.001 | 16.5 | 27.5 | <0.001 |
| WBC (109/L) | 3.8 (1.6, 6.2) | 3.2 (1.1, 6.5) | 0.34 | — | — | — |
| Platelets (109/L) | 33 (10, 86) | 37.5 (10, 90) | 0.94 | — | — | — |
| ALT (U/L) | 42 (21, 475) | 48.5 (14, 249) | 0.88 | — | — | — |
| AST (U/L) | 113 (49, 409) | 105 (42, 459) | 0.52 | — | — | — |
| DSS, n (%) | 6 (23.7) | 6 (42.9) | 0.19 | — | — | — |
| Blood transfused, n (%) | 2 (7.7) | 1 (7.1) | 0.54 | — | — | — |
AST- aspartate aminotransferase, ALT- alanine aminotransferase, DSS- dengue shock syndrome, WBC- white cell count. Values are expressed as median (range) unless otherwise indicated. For comparisons, ANOVA, the chi-squared test, and the Mann–Whitney U test were used as appropriate.