Table 3 Multivariate competing risk model analysis of CCSD and OCSD.
Characteristics | CCSD | OCSD | ||
|---|---|---|---|---|
HR (95% CI) | P | HR (95% CI) | P | |
Marital status | Â | Â | Â | Â |
 Unmarried | 1 |  | 1 |  |
 Married | 0.927(0.880, 0.976) | 0.004 | 0.831(0.781, 0.885) | 0.000 |
Year of diagnosis | Â | Â | Â | Â |
 1975–2000 | 1 |  | 1 |  |
 2001–2017 | 0.751(0.704, 0.801) | 0.000 | 0.615 (0.563, 0.671) | 0.000 |
age | Â | Â | Â | Â |
 < 45 | 1 |  | 1 |  |
 45–59 | 1.032 (0.968, 1.100) | 0.332 | 2.864 (2.615, 3.137) | 0.000 |
 ≥ 60 | 1.111 (1.041, 1.186) | 0.002 | 6.432 (5.886, 7.029) | 0.000 |
Race | Â | Â | Â | Â |
 White | 1 |  | 1 |  |
 Black | 1.164 (1.078, 1.260) | 0.000 | 1.138 (1.035, 1.252) | 0.008 |
 Other | 0.917 (0.851, 0.988) | 0.023 | 0.788 (0.713, 0.871) | 0.000 |
Histologic type | Â | Â | Â | Â |
 SSC | 1 |  | 1 |  |
 AC | 1.291 (1.203, 1.385) | 0.000 | 0.756 (0.694, 0.824) | 0.000 |
 Other | 1.393 (1.288, 1.505) | 0.000 | 0.721 (0.645, 0.806) | 0.000 |
Grade | Â | Â | Â | Â |
 Well | 1 |  | 1 |  |
 Moderately | 1.338 (1.213, 1.476) | 0.000 | 0.869 (0.791, 0.954) | 0.003 |
 Poorly/Undiff | 1.673 (1.517, 1.845) | 0.000 | 0.859 (0.781, 0.945) | 0.002 |
Stage | Â | Â | Â | Â |
 Localized | 1 |  |  |  |
 Regional | 2.743 (2.536, 2.967) | 0.000 | 0.732 (0.677, 0.791) | 0.000 |
 Distant | 8.639 (7.865, 9.489) | 0.000 | 0.258(0.218, 0.306) | 0.000 |
Regional nodes | Â | Â | Â | Â |
 Negative |  |  |  |  |
 Positive | 0.998 (0.901, 1.084) | 0.799 | 0.901(0.761, 1.068) | 0.229 |
Surgery | Â | Â | Â | Â |
 No |  |  |  |  |
 Yes | 1.162 (1.070, 1.262) | 0.000 | 1.065 (0.984, 1.152) | 0.117 |
Radiotherapy | Â | Â | Â | Â |
 No |  |  |  |  |
 Yes | 1.046 (0.973, 1.124) | 0.000 | 1.309 (1.210, 1.416) | 0.000 |
Chemotherapy | Â | Â | Â | Â |
 No |  |  |  |  |
 Yes | 0.927 (0.880, 0.976) | 0.221 | 0.751 (0.677, 0.833) | 0.000 |