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. 2017 Apr 4;22:33. doi: 10.1186/s12199-017-0646-3

Table 1.

Characteristics of study subjects

Male
(n = 29)
Female
(n = 14)
Total
(n = 43)
Height, mean (SD) (cm) 166.4 ± 6.8 156.9 ± 5.1 163.3 ± 7.7
PEF (L/min) 420.8 ± 110.2 320.7 ± 73.7 390.1 ± 110.2
FEV1 (L) 2.66 ± 0.75 2.10 ± 0.55 2.48 ± 0.74
Measurements of pulmonary function (n) (594) (274) (868)

SD standard deviation; PEF peak expiratory flow; FEV 1, forced expiratory volume in 1 s