Table I.
Variables | Cases (n=250) n (%) |
Controls (n=147) n (%) |
P-value |
---|---|---|---|
Age (years; mean ± SD) | 49.08±9.405 | 47.99±10.750 | 0.639 |
Parity | 0.023 | ||
0–1 | 34 (13.6) | 30 (20.0) | |
2 | 96 (38.4) | 62 (42.3) | |
>2 | 120 (48.0) | 55 (37.7) | |
Family history of cancer | 0.009 | ||
No | 212 (84.8) | 137 (93.2) | |
Yes | 38 (15.2) | 10 (6.8) | |
Histological type | |||
Squamous cell carcinoma | 234 (93.6) | ||
Adenocarcinoma | 6 (2.4) | ||
Adenosquamous | 2 (0.8) | ||
Others | 8 (3.2) | ||
Stage | |||
I | 23 (9.2) | ||
II | 139 (55.6) | ||
III | 72 (28.8) | ||
Unknown | 16 (6.4) | ||
Contact bleeding | |||
No | 166 (66.4) | ||
Yes | 84 (33.6) | ||
Lymphatic metastasis | |||
No | 201 (80.4) | ||
Yes | 49 (19.6) |
SD, standard deviation.