Table 1.
Frequency distribution of selected variables in cervical cancer cases and cancer-free controls
| Characteristic | Cases (n=290) | Controls (n=445) | Pa |
|---|---|---|---|
| No. (%) | No. (%) | ||
| Age | |||
| Mean ± SD | 50.10 ± 10.51 | 57.84 ± 15.47 | |
| ≤49 | 150 (51.7%) | 118 (26.5%) | <0.0001 |
| >49 | 140 (48.28%) | 327 (73.5%) | |
| Menopause | |||
| No | 185 (63.8%) | 131 (29.4%) | <0.0001 |
| Yes | 105 (36.2%) | 314 (70.6%) | |
| Delivery | |||
| No | 2 (0.71%) | 10 (2.30%) | 0.107 |
| Yes | 279 (99.3%) | 425 (97.7%) | |
| Abortion | |||
| No | 164 (56.6%) | 423 (95.1%) | <0.0001 |
| Yes | 126 (43.5%) | 22 (4.9%) | |
| Pathology | |||
| Squamous cell carcinoma | 208 (71.7%) | ||
| Adenocarcinoma | 44 (15.2%) | ||
| Adenosquamous carcinoma | 3 (1.0%) | ||
| Other | 35 (12.1%) | ||
| FIGO stages | |||
| I | 203 (70.0%) | ||
| II | 61 (21.0%) | ||
| III | 5 (1.7%) | ||
| IV | 2 (0.7%) | ||
| Others | 19 (6.6%) | ||
aTwo-sided χ2 test for the distribution between cervical cancer cases and cancer-free controls.