Table 2 Age-, season- and gender-specific medians and RIs of 25(OH)D for healthy children
Age(years) | Groups | Cases | 25(OH)D (ng/mL) | 95% CI | P | RIs (P2.5 ~ P97.5) | Range of validated values | Passed rate (%) |
|---|---|---|---|---|---|---|---|---|
0 ~ ≤ 1(year) | Male | 608 | 37.6 (31.3 ~ 43.5) | 36.6 ~ 37.9 | > 0.05 | 20.3 ~ 53.6 | 23.4 ~ 51.5 | 100 |
Female | 522 | 37.9 (31.3 ~ 44.1) | 36.8 ~ 38.3 | |||||
Spring–summer | 705 | 37.7 (31.3 ~ 43.7) | 36.6 ~ 37.8 | > 0.05 | ||||
Autumn–winter | 425 | 37.9 (31.3 ~ 44.1) | 36.8 ~ 38.5 | |||||
2 ~ ≤ 3(years) | Male | 1098 | 31.1 (26.5 ~ 36.4) | 31.2 ~ 32.1 | > 0.05 | 18.9 ~ 49.6 | 17.9 ~ 50.1 | 92 |
Female | 911 | 30.6 (25.7 ~ 36.7) | 31.2 ~ 32.2 | |||||
Spring–summer | 1574 | 30.7 (26.2 ~ 36.3) | 31.2 ~ 31.9 | > 0.05 | ||||
Autumn–winter | 435 | 30.6 (25.7 ~ 36.7) | 31.3 ~ 32.8 | |||||
4 ~ ≤ 6(years) | Male | 663 | 26.6 (22.9 ~ 30.8) | 26.4 ~ 27.4 | > 0.05 | Spring–summer: 15.8 ~ 42.6 | 16.9 ~ 40.1 | 100 |
Female | 495 | 25.9 (22.1 ~ 30.2) | 25.8 ~ 26.9 | Autumn–winter: 15.2 ~ 37.7 | 15.9 ~ 41.2 | 98 | ||
Spring–summer | 925 | 26.5 (22.7 ~ 30.9) | 26.6 ~ 27.4 | < 0.05 | ||||
Autumn–winter | 233 | 25.9 (22.1 ~ 30.2) | 24.6 ~ 26.2 | |||||
7 ~ ≤ 18(years) | Male | 338 | 23.3 (20.0 ~ 27.2) | 23.2 ~ 24.4 | 0.001 | Male: 12.1 ~ 36.1 | 12.0 ~ 35.5 | 97 |
Female | 344 | 21.1 (17.5 ~ 25.3) | 20.9 ~ 22.3 | Female: 10.8 ~ 35.3 | 13.1 ~ 35.4 | 97 | ||
Spring–summer | 510 | 23.4 (18.8 ~ 26.4) | 22.4 ~ 23.5 | > 0.05 | ||||
Autumn–winter | 172 | 21.1 (17.5 ~ 25.3) | 21.1 ~ 22.9 |