Table 1. Distribution of patient characteristics for patients with a benign or malignant pelvic mass.
| Variable | Numerical display | Benign | Malignant | P-value |
|---|---|---|---|---|
| Number of cases | n (%) | 228 (58.6) | 161 (41.4) | NA |
| Age (in years) | Mean (s.d.) | 46.3 (16.0) | 57.8 (12.6) | <0.001 |
| Post-menopausal | n (%) | 86 (37.7) | 119 (73.9) | <0.001 |
| Smoking | n (%) | 53 (23.2) | 31 (19.3) | 0.457 |
| OCa | n (%) | 44 (31.2) | 12 (30.0) | 0.682 |
| HRTb | n (%) | 14 (16.3) | 9 (7.6) | 0.053 |
| Family history | ||||
| Breast cancer | n (%) | 35 (15.4) | 41 (25.5) | 0.009 |
| Ovarian cancer | n (%) | 4 (1.8) | 8 (5.0) | 0.028 |
Abbreviations: HRT=hormone replacement therapy; OC=oral contraception; NA=not applicable.
a
For pre-menopausal patients.
b
For post-menopausal patients.