Table 5.
Characteristics of studies included in the meta-analysis of exercise oscillatory ventilation and the oxygen uptake efficiency slope
| Author | Years | N | Enrollment | Follow-up (m) | Test mode | Threshold | End point | Event rate (%) | Study quality (%) |
|---|---|---|---|---|---|---|---|---|---|
| Studies included in the meta-analysis of exercise oscillatory ventilation | |||||||||
| Arena et al. | 2008 | 154 | 1997–2007 | 36 | TM | 1.1 | CD/CT/VAD | 28 | 78.6 |
| Corra et al. | 2009 | 631 | 1995–2005 | 45.6 | CE | 1.1 | CD | 12.5 | 86 |
| Ingle et al. | 2009 | 240 | NR | 46 | TM | 1.1 | D | 18 | 64 |
| Sun et al. | 2010 | 508 | NR | 6 | CE & TM | 1.2 | D/C CH | 25 | 86 |
| Leite et al. | 2003 | 84 | NR | 49.7 | CE | 1.2 | CD/CT | 30.9 | 71 |
| Median | 240 | 45.6 | 1.1 | 25 | 78.6 | ||||
| Studies included in the meta-analysis of the oxygen uptake efficiency slope | |||||||||
| Davies et al. | 2006 | 243 | 1992–1996 | 108 | TM | 1.47 | D | 57 | 64 |
| Arena et al. | 2007 | 341 | 1993–2006 | 36 | TM | 1.4 | CD/CT/VAD | 13.8 | 78.6 |
| Median | 292 | 72 | 1.435 | 35.4 | 71.3 | ||||
NR not reported, CE cycle ergometer, TM treadmill, D death, CD cardiac death, CT cardiac transplantation, CH cardiac hospitalization, VAD ventricular assist device