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Table 1 Characteristics of the study population stratified by gender.

From: Use of interrupter technique in assessment of bronchial responsiveness in normal subjects

Variables

Men

Women

 

n = 100

n = 70

Age, mean (range) yr

38 (18–60)

35 (18–55)

Height, mean (cm), SEM

174 (0.78)

160 (0.71)

Weight, mean (kg), SEM

79 (0.9)

63 (0.9)

Rint, EI, mean (kPa/l/s), SEM

0.24 (0.069)

0.29 (0.074)

VCin, mean (%pred), (range)

111.5 (83–144)

95.2 (76–129)

FEV 1 , mean(%pred), (range)

107.9 (75–125)

93.2 (78–110)

FEV 1 % mean (range)

83 (77–92)

82 (75–90)

Vmax 50 , mean (%pred), (range)

83.5 (70–155)

81 (65–145)

  1. Abbreviations: VC in: inspiratory vital capacity, FEV1: forced expiratory volume in 1 sec, FEV1%: ratio of forced expiratory volume in 1 sec to forced vital capacity, Vmax50: maximum flow at 50% of forced vital capacity, Rint, EI:Interrupter Resistance at End Interruption