Table 2. Univariate and multivariate analyses of overall survival (OS).
| Variables | 5-year OS (%) | Univariate analysis | Multivariate analysis | ||
|---|---|---|---|---|---|
| Log-rank | P | HR(95%CI) | P | ||
| Marital status | 606.08 | <0.0001 | |||
| Married | 51.11 | Ref. | |||
| Divorced/separated | 39.30 | 1.21(1.11, 1.31) | <0.0001 | ||
| Widowed | 25.40 | 1.12(1.04, 1.20) | 0.0040 | ||
| Never married | 51.28 | 1.11(1.03, 1.19) | 0.0070 | ||
| Age | 1851.17 | <0.0001 | |||
| <60 | 59.23 | Ref. | |||
| 60-69 | 44.94 | 1.19(1.11, 1.27) | <0.0001 | ||
| 70-79 | 31.40 | 1.48(1.38, 1.60) | <0.0001 | ||
| ≥80 | 14.29 | 2.11(1.93, 2.31) | <0.0001 | ||
| Race | 98.70 | <0.0001 | |||
| White | 45.83 | Ref. | |||
| Black | 33.34 | 1.20(1.10, 1.31) | <0.0001 | ||
| Others | 53.51 | 0.97(0.88, 1.06) | 0.4693 | ||
| Diagnosis year | 6.68 | 0.0098 | |||
| 2004-2008 | 44.86 | Ref. | |||
| 2009-2012 | 45.57 | 0.94(0.89, 0.99) | 0.0180 | ||
| Grade | 1121.83 | <0.0001 | |||
| I | 84.75 | Ref. | |||
| II | 67.33 | 1.47(1.20, 1.80) | 0.0002 | ||
| III | 43.17 | 1.78(1.47, 2.15) | <0.0001 | ||
| IV | 44.92 | 1.63(1.34, 1.99) | <0.0001 | ||
| Unknown | 30.12 | 1.65(1.36, 2.01) | <0.0001 | ||
| TNM stage | 3099.93 | <0.0001 | |||
| I | 86.11 | Ref. | |||
| II | 67.00 | 2.56(2.20, 2.97) | <0.0001 | ||
| III | 37.26 | 5.45(4.83, 6.14) | <0.0001 | ||
| IV | 18.26 | 7.25(6.41, 8.21) | <0.0001 | ||
| Histological type | 1140.85 | <0.0001 | |||
| Serous | 40.09 | Ref. | |||
| Mucinous | 68.05 | 1.71(1.46, 1.99) | <0.0001 | ||
| Clear-cell | 64.33 | 1.39(1.22, 1.58) | <0.0001 | ||
| Endometrioid | 81.94 | 0.66(0.57, 0.76) | <0.0001 | ||
| Others | 31.65 | 1.09(1.02, 1.16) | 0.0105 | ||
| Surgery | 4068.36 | <0.0001 | |||
| No | 7.03 | Ref. | |||
| Yes | 52.81 | 0.38(0.35, 0.41) | <0.0001 | ||