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Table 3 The association between vitamin D levels and asthma severity

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

Variables25(OH) vit. D
Asthma severityNormalDeficiencySevere deficiency
Severe asthma31 (32%)40 (41.2%)26 (26.8%)
None-severe asthma75 (46%)65 (39.9%)23 (14.1%)
P-value*0.001
  1. *Statistical significance was attained when (P-value < 0.05)