Table 3 Relative survival according to patient and tumour characteristics: Univariate and multivariate analyses
Relative survival | Univariate analysis N = 748 | Multivariate analysis N = 722 | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Variables | Patients at risk | Number of deaths | 1-year RS (CI) | 3-year RS (CI) | 5-year RS (CI) | HR | 95% CI | P value | HR | 95% CI | P value |
Age | < 0.0001 | 0.003 | |||||||||
< 50 | 154 | 79 | 89 (82.7-93.0) | 68 (60.4-75.3) | 58 (50.0-65.9) | 1 | 1 | ||||
50-70 | 359 | 243 | 84 (79.6-87.4) | 55 (50.8-60.6) | 43 (37.8-48.5) | 1.51 | 1.16-1.95 | < 0.0001 | 1.22 | 0.94-1.59 | 0.12 |
≥ 70 | 235 | 194 | 70 (63.4-76.0) | 42 (35.2-49.2) | 32 (24.9-38.7) | 2.23 | 1.78-2.93 | 0.001 | 1.60 | 1.21-2.12 | 0.0009 |
Stage at diagnosis | < 0.0001 | < 0.0001 | |||||||||
I | 186 | 58 | 98 (93.9-99.3) | 89 (82.7-93.1) | 85 (78.1-90.0) | 1 | 1 | ||||
II | 60 | 44 | 82 (68.4-89.8) | 60.3 (45.9-72.1) | 48 (34.5-61.0) | 4.51 | 2.69-7.57 | < 0.0001 | 4.43 | 2.63-7.46 | < 0.0001 |
III | 387 | 320 | 78 (73.5-82.0) | 44 (38.8-49.1) | 29 (24.0-33.6) | 7.99 | 5.34-11.96 | < 0.0001 | 8.80 | 5.81-13.34 | < 0.0001 |
IV | 90 | 78 | 62 (50.5-71.1) | 28 (18.6-37.8) | 14 (6.7-22.7) | 12.82 | 8.18-20.08 | < 0.0001 | 13.07 | 8.26-20.66 | < 0.0001 |
Unknown | 25 | 16 | |||||||||
Histological type | 0.0001 | 0.010 | |||||||||
Serous | 433 | 309 | 84 (80.4-87.7) | 56(50.8-60.7) | 41 (36.3-46.3) | 1 | 1 | ||||
Mucinous- Endometrioid | 167 | 105 | 82(75.3-87.4) | 56 (48.1-63.7) | 49 (40.8-56.9) | 0.74 | 0.58-0.96 | 0.022 | 1.23 | 0.95-1.58 | 0.11 |
Other epithelial | 91 | 73 | 65 (54.4-74.4) | 40 (29.2-49.8) | 31 (21.0-41.2) | 1.37 | 1.04-1.82 | 0.023 | 1.62 | 1.22-2.16 | 0.0008 |
Non epithelial | 57 | 29 | 78 (63.6-87.5) | 67 (50.6-78.6) | 63 (46.8-75.1) | 0.53 | 0.33-0.84 | 0.007 | 1.19 | 0.72-1.96 | 0.47 |
Period of diagnosis | 0.0004 | 0.0001 | |||||||||
1982-1989 | 221 | 159 | 82 (75.8-86.6) | 49 (42.0-56.0) | 41 (34.2-48.2) | 1 | 1 | ||||
1990-1997 | 255 | 191 | 74 (68.1-79.3) | 50 (43.4-56.3) | 39 (32.8-45.6) | 1.07 | 0.86-1.34 | 0.5217 | 0.96 | 0.77-1.21 | 0.79 |
1998-2005 | 272 | 166 | 87 (82.2-90.8) | 64 (57.2-69.3) | 49 (42.5-55.5) | 0.67 | 0.52-0.87 | 0.002 | 0.52 | 0.40-0.67 | < 0.0001 |
Place of residence | |||||||||||
Rural | 335 | 242 | 79 (74.0-83.2) | 40 (34.7-46.0) | 40 (34.7-46.0) | 1 | 1 | ||||
Urban | 412 | 273 | 83 (78.6-86.4) | 46 (40.6-51.1) | 46 (40.6-51.1) | 0.81 | 0.67-0.99 | 0.04 | 0.82 | 0.67-0.99 | 0.04 |
Unknown | 1 | 1 | |||||||||
Menopause | |||||||||||
Yes | 450 | 346 | 78 (74.1-82.2) | 49 (43.8-53.6) | 36 (31.4-41.0) | 1 | |||||
No | 138 | 72 | 88 (81.0-92.5) | 70 (60.8-76.7) | 60 (50.8-67.7) | 1.93 | 1.48-2.51 | < 0.0001 | |||
Unknown | 160 | 98 | 83 (75.6-88.0) | 58 (49.4-65.5) | 49 (40.2-57.0) | ||||||