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Table 4 VDR polymorphisms and exacerbation frequency

From: 25-hydroxyvitamin D deficiency, exacerbation frequency and human rhinovirus exacerbations in chronic obstructive pulmonary disease

SNP Genotype Frequent exacerbators
(n = 28)
Infrequent exacerbators (n = 68) Chi squared
P value
Rs1544410 BB 3 (10.7%) 15 (22.1%)  
BsmI Bb 12 (42.9%) 26 (38.2%) 0.43
  Bb 13 (46.4%) 27 (39.7%)  
HWE p value   0.93 0.08  
   (n = 26) (n = 66)  
Rs731236 TT 10 (38.5%) 24 (36.4%)  
TaqI Tt 13 (50%) 29 (43.9%) 0.64
  Tt 3 (11.5%) 13 (19.7%)  
HWE p value   0.69 0.43  
   (n = 28) (n = 68)  
Rs2228570 FF 10 (35.7%) 21 (30.9%)  
FokI Ff 14 (50.0%) 38 (55.9%) 0.87
  Ff 4 (14.3%) 9 (13.2%)  
HWE p value   0.80 0.21