Factors associated with resection procedures: multivariate analysis
| Factor | OR | 95% CI | p1-150 | |
|---|---|---|---|---|
| Period of diagnosis | 1978–1981 | 1 | <0.001 | |
| 1982–1985 | 1.53 | 1.12–2.08 | ||
| 1986–1989 | 1.80 | 1.31–2.49 | ||
| 1990–1993 | 2.28 | 1.65–3.15 | ||
| Age | ⩾75 | 1 | <0.001 | |
| <75 | 4.44 | 3.50–5.64 | ||
| Metastatic status | Yes | 1 | <0.001 | |
| No | 3.34 | 2.44–4.59 |
Logistic regression carried out among patients treated by surgical or non-surgical procedures, excluding 60 cases with unknown treatment.
↵1-150 Probability for heterogeneity (likelihood ratio test).
OR, odds ratio.