Table 2. Odds ratios for receiving chemotherapy (logistic regression analysis) (N = 751).
| Effecta | Odds Ratio | 95% Wald confidence limits | P-value |
|---|---|---|---|
| Recurrence Score category | |||
| Intermediate v/s low | 11.0 | 4.2–28.4 | < 0.0001 |
| High v/s low | 113.3 | 40.1–320.6 | < 0.0001 |
| High v/s intermediate | 10.3 | 5.4–19.9 | < 0.0001 |
| Age | |||
| 45-64 years v/s 18-44 years | 0.40 | 0.22–0.75 | 0.0043 |
| ≥ 65 years v/s 18-44 years | 0.12 | 0.04–0.40 | 0.0006 |
| ≥ 65 years v/s 45-64 years | 0.304 | 0.10–0.94 | 0.039 |
Interactions between Recurrence Score categories and age groups were found to be nonsignificant