Table A3.

Missing data per outcome parameter.

Outcome Parameter	Number of Missing Data (Total Number of Data = 156)
PWC130	8
PWC150	33
tcpCO2 at PWC130	17
tcpCO2 at PWC150	65
SpO2 at PWC 130	15
SpO2 at PWC 150	66
Systolic blood pressure at PWC130	28
Systolic blood pressure at PWC150	28
Dyastolic blood pressure at PWC130	74
Dyastolic blood pressure PWC150	74
Breathing frequency at PWC130	9
Breathing frequency at PWC150	34
Perceived respiratory effort at PWC130	8
Perceived respiratory effort at PWC150	34
Perceived physical exertion at PWC130	8
Perceived physical exertion at PWC150	33