Table 1 Baseline characteristics and perioperative outcomes
Total (n = 387) | Early (n = 193) | Late (n = 194) | p value | |
|---|---|---|---|---|
Age | 72.4 ± 8.0 | 73.0 ± 7.9 | 71.8 ± 8.0 | 0.148 |
Body mass index | 24.5 ± 3.0 | 24.4 ± 3.0 | 24.7 ± 3.0 | 0.275 |
Preoperative PSA | 8.4 ± 17.6 | 7.3 ± 8.4 | 9.5 ± 23.4 | 0.211 |
Total prostate volume (cc) | 73.1 ± 34.2 | 74.4 ± 32.8 | 71.6 ± 35.6 | 0.428 |
Transitional zone volume (cc) | 42.1 ± 28.9 | 42.0 ± 26.7 | 42.2 ± 30.9 | 0.948 |
Previous AUR history | 126 (32.6%) | 64 (33.2%) | 62 (32.0%) | 0.801 |
Qmax (mL/sec) | 9.5 ± 5.1 | 9.1 ± 4.9 | 9.9 ± 5.4 | 0.158 |
Voided volume (cc) | 171.9 ± 114.2 | 172.9 ± 124.8 | 171.0 ± 102.7 | 0.882 |
Postvoid residual urine volume (cc) | 106.6 ± 103.7 | 107.9 ± 93.3 | 118.2 ± 113.8 | 0.387 |
Total operation time (min) | 116.3 ± 46.5 | 115.8 ± 45.7 | 116.8 ± 47.5 | 0.863 |
Enucleation time (min) | 47.6 ± 18.2 | 49.1 ± 16.3 | 46.1 ± 19.8 | 0.099 |
Morcellation time (min) | 25.0 ± 17.9 | 26.3 ± 20.3 | 23.5 ± 14.3 | 0.162 |
Enucleated tissue weight (g) | 27.0 ± 18.5 | 26.1 ± 17.3 | 27.9 ± 19.7 | 0.350 |
Enucleated tissue weight per time unit (g/min) | 0.55 ± 0.28 | 0.52 ± 0.28 | 0.59 ± 0.27 | 0.037 |
Hospital stays (day) | 5.61 ± 2.73 | 5.74 ± 3.14 | 5.49 ± 2.25 | 0.376 |
Catheterization time (day) | 4.33 ± 2.14 | 4.62 ± 2.13 | 4.02 ± 2.15 | 0.715 |
Transfusion | 2 (0.5%) | 1 (0.5%) | 1 (0.5%) | 0.736 |
Conversion to TURP | 40 (10.3%) | 37 (19.2%) | 3 (1.5%) | < 0.001 |
Postoperative 1month PSA | 3.4 ± 5.5 | 3.1 ± 3.5 | 3.8 ± 6.8 | 0.252 |