Table 1 Demographics of male and female patients
|  | Male + Female (n = 322) | Male (n = 242) | Female (n = 80) | P (M vs F) |
|---|---|---|---|---|
Age (years old) | 64.7 ± 11.2 | 64.7 ± 11.6 | 64.6 ± 10.0 | 0.90 |
Diabetes Mellitus (%) | 31.7% | 31.8% | 31.3% | 0.92 |
BMI | 25.7 ± 4.8 | 25.8 ± 4.8 | 25.5 ± 4.7 | 0.62 |
JOSL CT classification | ||||
 Grade 1 (1 < cervical OP-index≤5) | 169 (52.5%) | 125 (51.7%) | 44 (55%) | – |
 Grade 2 (6 < cervical OP-index ≤9) | 107 (33.2%) | 83 (34.3%) | 24 (30%) | – |
 Grade 3 (10 < cervical OP-index) | 46 (14.3%) | 34 (14.0%) | 12 (15%) | – |
Cervical OP-index | 5.83 ± 2.9 | 5.86 ± 2.9 | 5.75 ± 3.0 | 0.78 |
OP-index | 9.21 ± 6.8 | 8.24 ± 5.5 | 12.1 ± 9.0 | < 0.01 |
No. of patients with OP-index of > = 20 (%) | 27 (8.3%) | 11 (4.5%) | 16 (20%) | < 0.01 |