Table 4.
Poisson regression: excess risk of death between countries stratified by age and period of diagnosis
| 1980 to 1989 | 1990 to 1999 | |||||
| Hazard ratio | 95% confidence interval | P value | Hazard ratio | 95% confidence interval | P value | |
| Age ≤ 50 years | ||||||
| Countrya | ||||||
| Stockholm | 1.00 | (Reference) | 1.00 | (Reference) | ||
| Singapore | 1.26 | 1.08 to 1.47 | 0.003 | 0.81 | 0.70 to 0.94 | 0.007 |
| Age >50 years | ||||||
| Countrya | ||||||
| Stockholm | 1.00 | (Reference) | 1.00 | (Reference) | ||
| Singapore | 1.48 | 1.29 to 1.69 | <0.001 | 0.78 | 0.68 to 0.89 | <0.001 |
aAdjusted for year of follow-up and disease stage.