Table 1
Mean inspiratory positive airway pressures (IPAP) and mean expiratory positive airway pressures (EPAP) in the six randomised controlled trials on noninvasive positive pressure ventilation in chronic obstructive pulmonary disease patients. The first four trials were included in the meta-analysis published in 2003 [15]
First author | Date of publication | Reference | IPAP cmH2O | EPAP cmH2O |
Strumpf | 1991 | 21 | 15 | 2 |
Meecham Jones | 1995 | 22 | 18 | 2 |
Gay | 1996 | 23 | 10 | 2 |
Casanova | 2000 | 19 | 12 | 4 |
Clini | 2002 | 20 | 14 | 2 |
McEvoy | 2009 | 20 | 13 | 5 |