Table 4. Subgroup analysis of the patients with detrusor underactivity.
| Very low detrusor pressure (Pdet < 5 cmH2O) |
Low detrusor pressure (Pdet ≥ 5 cmH2O) |
P value | |
|---|---|---|---|
| Patient No (%) | 162 (37%) | 281 (63%) | |
| Age (years) | 67.9 ± 14.2 | 66.0 ± 14.5 | 0.61 |
| FSF(ml) | 230 ± 127 | 180 ± 91.4 | <0.01 |
| FS(ml) | 326 ± 144 | 273 ± 116 | <0.01 |
| Compliance | 76.1±104 | 59.5 ± 82.8 | 0.11 |
| Pdet (cmH2O) | 0.8 ± 1.22 | 10.6 ± 7.16 | <0.01 |
| Qmax (ml/s) | 2.4 ± 4.06 | 5.8 ± 5.66 | <0.01 |
| VV (ml) | 55.1 ± 91.0 | 138.6 ± 126.0 | <0.01 |
| PVR (ml) | 364.7 ± 224.3 | 241.2 ± 168.9 | <0.01 |
| Capacity (ml) | 419.9 ± 198.7 | 379.9 ± 144.3 | <0.01 |
| VE (%) | 17.7 ± 29.2 | 33.4 ± 33.8 | <0.01 |
| BCI | 13.1 ± 20.7 | 40.0 ± 29.8 | <0.01 |
| DM | 42 (25.9%) | 38 (13.8%) | <0.01 |
| Hypertension | 33 (20.4%) | 46 (16.7%) | 0.33 |
| CAD | 10 (6.2%) | 11 (4.0%) | 0.3 |
| COPD | 1 (0.6%) | 5 (1.8%) | 0.29 |
| CKD | 7 (4.3%) | 4 (1.4%) | 0.06 |
FSF: first sensation of filling, FS: full sensation, Pdet: voiding detrusor pressure at Qmax, Qmax: maximum flow rate, VV.: voided volume, PVR: post-void residual volume, VE: voiding efficiency, BCI: bladder contractility index detrusor overactivity, DM: diabetes mellitus, CAD: coronary arterial disease, COPD: chronic obstructive pulmonary disease, CKD: chronic kidney disease,