| Singapore | Stockholm | ||||
---|---|---|---|---|---|---|
 | Hazard ratio | 95% confidence interval | P value | Hazard ratio | 95% confidence interval | P value |
Year of follow-up | Â | Â | Â | Â | Â | Â |
   1 year | 1.00 | (Reference) |  | 1.00 | (Reference) |  |
   2 years | 1.32 | 1.14 to 1.51 | <0.001 | 1.69 | 1.47 to 1.94 | <0.001 |
   3 years | 1.21 | 1.04 to 1.40 | 0.013 | 1.90 | 1.65 to 2.18 | <0.001 |
   4 years | 1.12 | 0.95 to 1.31 | 0.178 | 1.71 | 1.48 to 1.98 | <0.001 |
   5 years | 0.96 | 0.81 to 1.14 | 0.631 | 1.84 | 1.59 to 2.14 | <0.001 |
Age group | Â | Â | Â | Â | Â | Â |
   <35 years | 1.00 | (Reference) |  | 1.00 | (Reference) |  |
   35 to 54 years | 0.65 | 0.54 to 0.78 | <0.001 | 0.71 | 0.57 to 0.88 | 0.002 |
   45 to 54 years | 0.66 | 0.55 to 0.79 | <0.001 | 0.56 | 0.45 to 0.69 | <0.001 |
   55 to 64 years | 0.91 | 0.75 to 1.10 | 0.314 | 0.60 | 0.49 to 0.74 | <0.001 |
   65 to 74 years | 0.77 | 0.62 to 0.96 | 0.022 | 0.78 | 0.64 to 0.96 | 0.019 |
   75+ years | 1.06 | 0.81 to 1.39 | 0.673 | 0.89 | 0.71 to 1.10 | 0.281 |
Stage | Â | Â | Â | Â | Â | Â |
   Local | 1.00 | (Reference) |  | 1.00 | (Reference) |  |
   Regional | 3.66 | 3.22 to 4.17 | <0.001 | 4.02 | 3.66 to 4.41 | <0.001 |
   Distant | 13.29 | 11.41 to 15.48 | <0.001 | 17.25 | 15.09 to 19.71 | <0.001 |
Period of diagnosis | Â | Â | Â | Â | Â | Â |
   1980 to 1989 | 1.00 | (Reference) |  | 1.00 | (Reference) | <0.001 |
   1990 to 1999 | 0.53 | 0.48 to 0.58 | <0.001 | 0.91 | 0.83 to 0.99 | 0.027 |