Table 1 Groups in terms of age, gender and vitamin D levels
From: Association of 25-hydroxy vitamin D with asthma and its severity in children: a case–control study
Variables | 25(OH) vit. D | Age | Gender | |||
|---|---|---|---|---|---|---|
Groups | Standard deviation | Mean | Standard deviation | Mean | Female | Male |
Asthma | 16.62 | 25.57 | 2.82 | 9.53 | 117 (45%) | 143 (55%) |
Non-asthma | 16.76 | 31.40 | 2.68 | 9.16 | 128 (49.2%) | 132 (50.8%) |
Total | 16.93 | 28.49 | 2.75 | 9.35 | 245 (47.1%) | 275 (52.9%) |
P-value* | 0.001 | 0.13 | 0.19 | |||