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Table 2 Clinical characteristics of the recruited cohort and spirometric characteristics of the studied groups

From: TGF-β gene polimorphisms as risk factors for asthma control among clinic patients

Characteristics of the studied groups

Asthmatic Patients

(n = 345)

Healthy Controls

(n = 307)

p-value

Age [years]

48.6 ± 15.4

46.0 ± 16.3

0.04

Sex

Females: 222

Males: 123

Females: 197

Males: 110

0.96

FEV1(%)

75.81 ± 21.37

95.83 ± 19.95

< 0.001

FVC(%)

93.52 ± 18.78

101.63 ± 17.69

< 0.001

FEV1/FVC(%)

83.25 ± 14.71

95.88 ± 10.05

< 0.001

Smoking pack years

5.82 ± 10.98

5.68 ± 11.71

0.88

  1. FEV1 (forced expiratory volume in 1 s) expressed in %, FEV1% (A/N% - percentage ratio of the measured to expected value) expressed as a percent of the expected value; FVC (forced vital capacity) expressed in %, FVC% (A/N% - percentage ratio of the measured to expected value) expressed as a percent of the predicted value; FEV1% FVC index (FEV1 to FVC ratio - forced vital capacity) expressed in %