Table 3.
Cumulative observed, expected and relative survival.
| Year after brachytherapy | Observed survival proportion | Expected survival proportion | Relative survival proportion | SE of observed survival rate | 95% CI lower limit | 95% CI upper limit |
|---|---|---|---|---|---|---|
| 1 | 0.97 | 1.00 | 0.97 | 0.01 | 0.95 | 0.99 |
| 2 | 0.91 | 1.00 | 0.91 | 0.01 | 0.89 | 0.93 |
| 3 | 0.86 | 1.00 | 0.86 | 0.01 | 0.84 | 0.88 |
| 4 | 0.78 | 1.00 | 0.78 | 0.02 | 0.74 | 0.82 |
| 5 | 0.73 | 0.99 | 0.74 | 0.02 | 0.70 | 0.78 |
| 6 | 0.68 | 0.97 | 0.70 | 0.02 | 0.66 | 0.74 |
| 7 | 0.64 | 0.96 | 0.67 | 0.02 | 0.63 | 0.71 |
| 8 | 0.61 | 0.94 | 0.65 | 0.02 | 0.61 | 0.69 |
| 9 | 0.58 | 0.90 | 0.64 | 0.02 | 0.60 | 0.69 |
| 10 | 0.55 | 0.86 | 0.64 | 0.02 | 0.59 | 0.69 |
| 11 | 0.53 | 0.83 | 0.64 | 0.02 | 0.59 | 0.69 |
| 12 | 0.51 | 0.79 | 0.65 | 0.02 | 0.60 | 0.70 |
| 13 | 0.47 | 0.74 | 0.64 | 0.02 | 0.58 | 0.69 |
| 14 | 0.46 | 0.70 | 0.66 | 0.02 | 0.60 | 0.71 |
| 15 | 0.43 | 0.67 | 0.64 | 0.02 | 0.58 | 0.70 |
| 16 | 0.40 | 0.64 | 0.63 | 0.02 | 0.56 | 0.69 |
| 17 | 0.38 | 0.60 | 0.63 | 0.02 | 0.57 | 0.70 |
| 18 | 0.36 | 0.57 | 0.63 | 0.02 | 0.56 | 0.70 |
| 19 | 0.34 | 0.54 | 0.63 | 0.02 | 0.56 | 0.70 |
| 20 | 0.31 | 0.50 | 0.62 | 0.02 | 0.54 | 0.70 |
| 21 | 0.30 | 0.46 | 0.65 | 0.02 | 0.57 | 0.74 |
| 22 | 0.28 | 0.44 | 0.64 | 0.02 | 0.55 | 0.73 |
| 23 | 0.26 | 0.39 | 0.67 | 0.02 | 0.57 | 0.77 |
| 24 | 0.25 | 0.36 | 0.69 | 0.02 | 0.59 | 0.80 |
| 25 | 0.23 | 0.33 | 0.70 | 0.02 | 0.58 | 0.82 |
| 26 | 0.23 | 0.31 | 0.74 | 0.02 | 0.62 | 0.87 |
| 27 | 0.22 | 0.29 | 0.76 | 0.02 | 0.62 | 0.89 |
| 28 | 0.20 | 0.27 | 0.74 | 0.02 | 0.60 | 0.89 |
| 29 | 0.19 | 0.26 | 0.73 | 0.02 | 0.58 | 0.88 |
| 30 | 0.19 | 0.23 | 0.83 | 0.02 | 0.66 | 1.00 |
| 31 | 0.19 | 0.21 | 0.90 | 0.02 | 0.72 | 1.09 |
| 32 | 0.19 | 0.19 | 1.00 | 0.02 | 0.79 | 1.21 |
| 33 | 0.17 | 0.17 | 1.00 | 0.02 | 0.77 | 1.23 |
| 34 | 0.16 | 0.15 | 1.07 | 0.02 | 0.81 | 1.33 |
| 35 | 0.16 | 0.14 | 1.14 | 0.02 | 0.86 | 1.42 |
| 36 | 0.16 | 0.13 | 1.23 | 0.02 | 0.93 | 1.53 |
| 37 | 0.14 | 0.10 | 1.40 | 0.03 | 0.81 | 1.99 |
| 38 | 0.14 | 0.09 | 1.56 | 0.03 | 0.90 | 2.21 |
| 39 | 0.14 | 0.09 | 1.56 | 0.03 | 0.90 | 2.21 |
| 40 | 0.14 | 0.07 | 2.00 | 0.03 | 1.16 | 2.84 |
SE standard error, CI confidence interval.