Table 1 Patient characteristics.
Overall | Recurrence: No | Recurrence: Yes | p value | |
|---|---|---|---|---|
N | 4358 | 3986 | 372 | |
Age (years, mean (SD)) | 46.46 (10.25) | 46.57 (10.30) | 45.34 (9.67) | 0.028 |
Age group (years, %) | 0.116 | |||
< 40 | 1218 (27.9) | 1107 (27.8) | 111 (29.8) | |
40–59 | 2636 (60.5) | 2406 (60.4) | 230 (61.8) | |
≥ 60 | 504 (11.6) | 473 (11.9) | 31 ( 8.3) | |
Parity (times, %)a | 0.015 | |||
0–2 | 2040 (46.8) | 1843 (46.2) | 197 (53.0) | |
≥ 3 | 2318 (53.2) | 2143 (53.8) | 175 (47.0) | |
Miscarriage (times, %) | 0.003 | |||
0 | 1824 (41.9) | 1694 (42.5) | 130 (34.9) | |
1–2 | 1806 (41.4) | 1646 (41.3) | 160 (43.0) | |
≥ 3 | 728 (16.7) | 646 (16.2) | 82 (22.0) | |
Clinical stage (%)b | 0.051 | |||
I | 1936 (46.6) | 1798 (47.2) | 138 (39.8) | |
II | 1694 (40.8) | 1536 (40.3) | 158 (45.5) | |
III | 511 (12.3) | 462 (12.1) | 49 (14.1) | |
IV | 13 ( 0.3) | 11 ( 0.3) | 2 ( 0.6) | |
Pathological type (%)c | 0.383 | |||
Squamous cell carcinoma | 3864 (92.2) | 3530 (92.2) | 334 (91.8) | |
Adenocarcinoma | 261 ( 6.2) | 240 ( 6.3) | 21 ( 5.8) | |
Others | 68 ( 1.6) | 59 ( 1.5) | 9 ( 2.5) | |
Level of differentiation (%) | 0.507 | |||
Well | 479 (12.0) | 440 (12.1) | 39 (11.2) | |
Moderate | 3332 (83.7) | 3041 (83.7) | 291 (83.4) | |
Poor/undifferentiated | 172 (4.3) | 153 (4.2) | 19 (5.4) | |
Treatment received (%)d | < 0.001 | |||
Surgery only | 262 (6.0) | 253 (6.4) | 9 (2.4) | |
Surgery plus adjuvant therapy | 1974 (45.4) | 1805 (45.4) | 169 (45.4) | |
Radiotherapy only | 1545 (35.5) | 1432 (36.0) | 113 (30.4) | |
Chemotherapy plus radiotherapy | 526 (12.1) | 456 (11.5) | 70 (18.8) | |
Chemotherapy only | 44 (1.0) | 33 (0.8) | 11 (3.0) | |
Surgery methods (%)e | 0.143 | |||
No | 2122 (51.0) | 1928 (50.6) | 194 (55.1) | |
Radical trachelectomy | 93 (2.2) | 83 (2.2) | 10 (2.8) | |
Simple hysterectomy | 72 (1.7) | 70 (1.8) | 2 (0.6) | |
Radical hysterectomy | 1752 (42.1) | 1613 (42.3) | 139 (39.5) | |
Others | 125 (3.0) | 118 (3.1) | 7 (2.0) | |
Lymph node metastasis (%)f | 0.008 | |||
No | 1804 (85.2) | 1664 (85.9) | 140 (78.2) | |
Yes | 313 (14.8) | 274 (14.1) | 39 (21.8) | |
Radiotherapy (%) | 0.568 | |||
No | 432 ( 9.9) | 392 ( 9.8) | 40 (10.8) | |
Adjuvant | 1855 (42.6) | 1706 (42.8) | 149 (40.1) | |
Initial | 2071 (47.5) | 1888 (47.4) | 183 (49.2) | |
Chemotherapy (%) | < 0.001 | |||
No | 3122 (71.6) | 2912 (73.1) | 210 (56.5) | |
Adjuvant | 666 (15.3) | 585 (14.7) | 81 (21.8) | |
Concurrent | 526 (12.1) | 456 (11.4) | 70 (18.8) | |
Initial | 44 (1.0) | 33 (0.8) | 11 (3.0) | |
Year of admission (%) | < 0.001 | |||
1992–1995 | 573 (13.1) | 548 (13.7) | 25 ( 6.7) | |
1996–2000 | 1104 (25.3) | 1027 (25.8) | 77 (20.7) | |
2001–2005 | 2681 (61.5) | 2411 (60.5) | 270 (72.6) | |
