Table 1.
Background variable of patients in group A and group B.
| Variable | Group A N = 58 |
Group B N = 54 |
p value |
|---|---|---|---|
| Age (years), mean ± SD | 61 ± 4.1 | 59 ± 5.7 | p > 0.05 |
| Body mass index, mean ± SD | 26.1 ± 3.0 | 26.4 ± 3.4 | p > 0.05 |
| T-PSA lever (ng/ml), mean ± SD | 13.8 ± 2.7 | 14.4 ± 3.2 | p > 0.05 |
| The operation method, n | |||
| Open RP | 11 | 9 | |
| Laparoscopic RP | 47 | 45 | p > 0.05 |
| Biopsy Gleason score, mean ± SD | 6.8 ± 1.2 | 6.5 ± 1.3 | p > 0.05 |
| Clinical tumor stage, n | |||
| T1c | 22 | 24 | p > 0.05 |
| T2 | 31 | 26 | |
| T3 | 5 | 4 | |
| Pathological stage, n | |||
| pT2a | 8 | 5 | p > 0.05 |
| pT2b | 15 | 16 | |
| pT2c | 30 | 29 | |
| pT3a | 4 | 3 | |
| pT3b | 1 | 1 | |
| Surgical margin apex, n | |||
| Negative apex | 49 | 48 | p > 0.05 |
| Positive apex | 9 | 6 | |
| Prostate volume (ml), mean ± SD | 37.2 ± 4.9 | 45.6 ± 5.8 | p > 0.05 |