Table 1. Perioperative data of both groups were compared.
| Group A (bilateral intrafascial) | Group B (bilateral interfascial) | P | |
|---|---|---|---|
| Patients number | 65 | 130 | |
| Age (year) | 65 (56, 70) | 65 (55, 69) | 0.343 |
| Body mass index | 25.92 (23.73, 27.15) | 25.89 (23.45, 27.11) | 0.562 |
| Initial PSA (ng ml−1) | 5.12 (2.90, 7.85) | 5.98 (2.98, 8.06) | 0.437 |
| Biopsy Gleason score | 6 (6, 7) | 6 (6, 7) | 0.359 |
| Number of positive cores | 2 (1, 3) | 2 (1, 3) | 0.482 |
| Time for the anastomosis (min) | 17 (15, 20) | 16 (15, 19) | 0.477 |
| Operative time (min) | 100 (89, 106) | 96 (86, 104) | 0.465 |
| Estimated blood loss (ml) | 94 (81, 98) | 87 (75, 100) | 0.557 |
| Blood transfusion (ml) | no | no | |
| Placement time of the retropubic drain (day) | 3 (3, 4) | 3 (3, 5) | 0.552 |
| Postoperative catheterization time (day) | 7 (6, 8) | 7 (6, 9) | 0.569 |
| Time to oral intake (day) | 2 (2, 3) | 2 (2, 3) | 0.425 |
| Time to ambulation(day) | 4 (3, 5) | 4 (4, 6) | 0.649 |
| Postoperative hospital stay (day) | 8 (8, 9) | 8 (7, 10) | 0.463 |
| Pathological stages, n (%) | 0.424 | ||
| pT2a | 8 (12.3%) | 25 (19.2%) | |
| pT2b | 21 (32.3%) | 41 (31.5%) | |
| pT2c | 27 (41.5%) | 38 (29.2%) | |
| pT3a | 6 (9.2%) | 17 (13.1%) | |
| pT3b | 3(4.6%) | 9 (6.9%) | |
| Positive surgical margin, n (%) | 8 (12.3%) | 21 (16.2%) | 0.529 |
| BPFS (1 year postoperatively) | 51/56 (91.1%) | 102/117 (87.2%) | 0.613 |
Abbreviations: BPFS, biochemical progression-free survival; PSA, prostate-specific antigen.
Median values and the 25th (Q1) and 75th (Q3) percentiles are presented.