Table 4 Fisher’s exact test comparison of total 30-day mortality
Cohort | 30-day mortality (%) | Odds ratio (95% CI) | Pvalue | |
|---|---|---|---|---|
| Â | Open surgery | Â | Â | Â |
Pre-CPET (Jan 03 to Oct 07) | Pre-CPET (n = 103) | 12.6 | Â | Â |
CPET era (Nov 07 to Jul 11) | CPET era (total) (n = 100) | 4.0 | 0.29 (0.09 to 0.92) | P < 0.05 |
CPET-pass (74/100) | 2.7 | 0.19 (0.04 to 0.88) | P < 0.05 | |
CPET-fail (8/100) | 12.5 | 0.989 (0.11 to 8.70) | P = 1.00 | |
CPET-submaximal (3/100) | 33.3 | 2.31 (0.22 to 23.90) | P = 0.43 | |
No-CPET (15/100) | 0 | 0.18 (0.01 to 3.20) | P = 0.21 | |