VDR and asthma: With regard to rs2228570 and rs1544410 polymorphisms, they showed that VDR rs1544410 may be significantly associated with progression of asthma in homozygous (OR = 1.462, 95% CI = 1.016‐2.105, P = .041) and allele level (OR = 1.181, 95% CI = 1.006‐1.386, P = .042) in Caucasian population.