Analyses of association between PPAR gamma and EPHX1 polymorphisms and susceptibility to COPD in a Hungarian cohort, a case-control study

Table 1 Clinical features of the study population

Parameter	Cases (N = 272)	Controls (N = 301)	P value
Male (%)	190 (69.85)	164 (54.48)	0.781
Age (±SD)*	63.87 (±8.96)	64.29 (±9.07)	0.577
Pack-Years (±SD)*	38.75 (±19.91)	34.76 (±14.71)	0.120
FEV1% predicted (±SD)*	47.17 (±13.69)	99.28 (±9.76)	<0.0001
FEV1/FVC% predicted (±SD) *	57.57 (±10.12)	87.10 (±35.24)	<0.001

Data presented as mean ± SD. FEV1: forced expiratory volume in one second, FVC: forced vital capacity, *Mann-Whitney U-test was used.

ISSN: 1471-2350