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Table 2 The distribution of children according to vitamin D status in the studied groups

From: Association of 25-hydroxy vitamin D with asthma and its severity in children: a case–control study

Variables25(OH) vit. D
GroupsNormalDeficiencySevere deficiency
Asthma106 (40.8%)105 (40.4%)49 (18.8%)
Non-asthma144 (55.4%)86 (33.1%)25 (11.5%)
P-value*0.002
  1. *Statistical significance was attained when (P-value < 0.05)