Table 1.
Piecewise exponential regression excess mortality models with and without correcting for overdispesion, n = 376,791 women diagnosed with breast cancer in England between 1997 and the end of 2005
| PEREM A | PEREM B (scaled SE) | PEREM C (Robust SE) | PEREM D (NBR) | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Age at diagnosis | EMRR | SE | EMRR | SE | RLE (%) | EMRR | SE | RLE (%) | EMRR | SE | RLE (%) |
| 50−59v s.<50 | 0.75 | 0.0107 | 0.75* | 0.0493 | 21.3579 | 0.75* | 0.0576 | 29.2222 | 0.75* | 0.0380 | 12.6944 |
| 60-69 vs. <50 | 0.88 | 0.0130 | 0.88* | 0.0600 | 21.3580 | 0.88* | 0.0599 | 21.2823 | 0.87* | 0.0486 | 14.0296 |
| 70-79 vs. <50 | 1.71 | 0.0235 | 1.71 | 0.1086 | 21.3578 | 1.71 | 0.1324 | 31.7953 | 1.65 | 0.1005 | 18.3181 |
| ≥80 vs. <50 | 3.39 | 0.0465 | 3.39 | 0.2150 | 21.3579 | 3.39 | 0.3159 | 46.1198 | 3.15 | 0.2222 | 22.8188 |
| Quintiles of deprivation | |||||||||||
| Q2 vs. Q1 | 1.05 | 0.0153 | 1.05* | 0.0705 | 21.3659 | 1.05* | 0.0747 | 24.0197 | 1.05* | 0.0626 | 16.8745 |
| Q3 vs. Q1 | 1.16 | 0.0166 | 1.16 | 0.0767 | 21.3711 | 1.16* | 0.0873 | 27.6612 | 1.15 | 0.0687 | 17.1404 |
| Q4 vs. Q1 | 1.27 | 0.0182 | 1.27 | 0.0839 | 21.2723 | 1.27 | 0.0934 | 26.3313 | 1.27 | 0.0762 | 17.5240 |
| Q5 vs. Q1 | 1.48 | 0.0218 | 1.48 | 0.1007 | 21.3249 | 1.48 | 0.1046 | 23.0039 | 1.47 | 0.0885 | 16.4928 |
EMRR Excess mortality rate ratio, NBR Negative binomial regression, PEREM Piecewise exponential regression excess mortality model, RLE Relative loss in efficiency, SE Standard error, *p-value >0.05