Table 3. Univariate and multivariate relative 5-year survival analyses for Western vs non-Western patients with stomach cancer in the Netherlands, period 1989–2007.
|
Univariate
|
Multivariate
|
|||
|---|---|---|---|---|
| RERa | 95% CI | RERa | 95% CI | |
| Country of birth | ||||
| Western | 1 | Reference | 1 | Reference |
| Non-Western | 0.68 | 0.54–0.87 | 0.55 | 0.43–0.70 |
| Age | 1.00 | 0.99–1.00 | 1.00 | 0.99–1.00 |
| Gender | ||||
| Men | 1 | Reference | 1 | Reference |
| Women | 0.98 | 0.92–1.04 | 0.94 | 0.88–1.00 |
| Localisation | ||||
| Proximal | 1 | Reference | 1 | Reference |
| Distal | 0.74 | 0.69–0.80 | 1.00 | 0.93–1.08 |
| Overlapping lesion | 1.26 | 1.16–1.37 | 1.23 | 1.13–1.34 |
| Not otherwise specified | 1.35 | 1.19–1.53 | 1.24 | 1.09–1.41 |
| Histological grade | ||||
| Well | 1 | Reference | 1 | Reference |
| Medium | 1.38 | 1.12–1.72 | 1.00 | 0.81–1.23 |
| Poor | 1.93 | 1.57–2.37 | 1.21 | 0.98–1.48 |
| Undifferentiated | 1.77 | 1.23–2.56 | 1.06 | 0.73–1.52 |
| Unknown | 2.42 | 1.96–2.98 | 1.03 | 0.83–1.27 |
| Stage b | ||||
| I | 1 | Reference | 1 | Reference |
| II | 2.21 | 1.95–2.52 | 2.20 | 1.94–2.49 |
| III | 3.55 | 3.14–4.00 | 3.12 | 2.77–3.51 |
| IV | 9.05 | 8.09–10.11 | 4.93 | 4.38–5.54 |
| Therapy | ||||
| Resection | 1 | Reference | 1 | Reference |
| Resection+chemotherapy | 1.58 | 1.22–2.03 | 1.29 | 0.99–1.67 |
| Chemotherapy | 2.3.09 | 2.73–3.48 | 1.61 | 1.40–1.84 |
| None/unknown | 6.28 | 5.84–6.75 | 3.68 | 3.37–4.03 |
| Other | 4.26 | 3.90–4.66 | 2.75 | 2.48–3.05 |
Abbreviations: CI=Confidence interval; RER=relative excess risk of dying.
a
Adjusted for age, gender, localisation, histological grade, stage and treatment.
b
Stage 1: T1N0M0, T1N1M0, T2a/bN0M0; Stage 2: T1N2M0, T2a/bN1M0, T3N0M0; Stage 3: T2a/bN2M0, T3N1M0, T4N0M0, T3N2M0; Stage 4: T4N1,2,3M0, T1,2,3N3M0, anyTanyNM1.