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Cox Proportional Hazard Mortality Rate Ratios for Treatment and Other Risk Factors
| Variable | Hazard Ratio | 95% CL | P |
|---|---|---|---|
| Group | |||
| Chemotherapy | 1.00 | ||
| Enzyme | 6.96 | 3.06 to 15.81 | < .0001 |
| Age | |||
| < 59 years | 1.00 | ||
| > 59 years | 1.80 | 1.00 to 3.25 | .05 |
| Stage | |||
| II to III | 1.00 | ||
| IV | 2.21 | 1.19 to 4.10 | .01 |
| ECOG performance status | |||
| 0 | 1.00 | ||
| 1 | 4.44 | 1.86 to 10.62 | .0008 |
| 2 | 4.66 | 1.28 to 16.94 | .02 |
Abbreviations: CL, confidence limit; ECOG, Eastern Cooperative Oncology Group.
