Table 2—

Preovulatory and premenstrual peak flow values, according to different premenstrual asthma(PMA) definitions

Peak flowSubjects nPreovulatory mean L·min−1Premenstrual mean L·min−1p-value
Global103362.87357.190.13
PMA subjective
 Yes45348.94341.360.192
 No58373.68369.470.39
PMA semi-objective first cycle
 Yes46365.81347.140.000
 No57360.5365.30.35
PMA semi-objective two cycles
 Yes21359.6338.980.016
 No73377.53358.670.796