Table 3. Data comparison of patients divided by the occurrence of us and BNC during follow-up.
| Parameters | BNC | ||
|---|---|---|---|
| With | Without | P-value | |
| N (%) | 20 (5.4) | 353 (94.6) | |
| Serum total PSA (ng/mL) | 5.8±2.0 | 3.6±1.3 | 0.049* |
| IPSS | 18.6±4.1 | 17.2±3.5 | 0.340* |
| Storage Score | 10.3±1.9 | 6.5±1.4 | 0.042* |
| TPV (mL) | 36.8±14.5 | 68.3±17.1 | 0.038* |
| TZV (mL) | 37.2±9.0 | 46.1±14.6 | 0.047* |
| TZI | 0.48±0.11 | 0.59±0.15 | 0.063* |
| Resection time (min) | 48.7±10.1 | 61.6±11.7 | 0.051* |
| Resected gland weight (g) | 39.2±6.8 | 48.3±7.7 | 0.030* |
| US | |||
| With | Without | P-value | |
| N (%) | 29 (7.8) | 344 (92.2) | |
| Resection speed (g/min) | 0.75±0.13 | 0.84±0.19 | 0.041* |
| ΔHb (g/dL) | 1.59±0.58 | 1.53±0.46 | 0.061* |
| ΔHCT (%) | 6.3±1.9 | 5.9±1.4 | 0.078* |
| Incidence of urethral mucosa rupture (n) | 7 | 41 | 0.059** |
| Incidence of re-catheterization (n) | 4 | 19 | 0.092** |
| Incidence of countinous infection (n) | 10 | 21 | 0.000** |
Values are presented as mean±SD or number.
US = urethral stricture; BNC = bladder neck contracture; PSA = total prostate-specific antigen; IPSS = International Prostate Symptom Score; TPV = total prostate volume; TZV = transitional zone volume; TZI = transitional zone index; Hb = hemoglobin; HCT = hematocrit.
*
Student's t-test;
**
chi-square test.