TABLE 2.

Baseline values of respiratory muscle strength parameters stratified according to sex.

Parameter	Mean ± SD for male test persons (min–max) (N = 21)	Mean ± SD for female test persons (min–max) (N = 29)
MIP (cmH2O)	−77.0 ± 29.2 (−125.9–−29.1)	−50.8 ± 3.9 (−92.7–−22.3)
MEP (cmH2O)	89.1 ± 34.8 (30.3–158.4)	56.7 ± 16.8 (30.0–96.7)
PIF (L/s)	7.8 ± 2.4 (3.6–13.0)	4.4 ± 1.3 (2.4–7.0)
PEF (L/s)	9.0 ± 1.7 (5.7–12.5)	5.9 ± 1.3 (3.3–8.2)

MIP, maximal inspiratory pressure; MEP, maximal expiratory pressure; PIF, peak inspiratory flow; PEF, peak expiratory flow; min, minimum; max, maximum.