Table 3. The correlation between urodynamic parameters and NPT parameters (n=38).
| RAU tip | TAU tip | RAU base | TAU base | |
|---|---|---|---|---|
| Qmax | ||||
| Spearman's rho | 0.121 | 0.090 | 0.189 | 0.162 |
| p-value | 0.468 | 0.590 | 0.255 | 0.331 |
| VV | ||||
| Spearman's rho | -0.037 | -0.034 | 0.046 | 0.062 |
| p-value | 0.825 | 0.838 | 0.786 | 0.713 |
| PVR | ||||
| Spearman's rho | 0.207 | 0.278 | 0.278 | 0.173 |
| p-value | 0.212 | 0.091 | 0.092 | 0.298 |
| Compliance | ||||
| Spearman's rho | 0.304 | 0.283 | 0.349 | 0.326 |
| p-value | 0.064 | 0.085 | 0.032 | 0.046 |
| BOOI | ||||
| Spearman's rho | 0.186 | 0.260 | 0.135 | 0.078 |
| p-value | 0.262 | 0.115 | 0.420 | 0.641 |
| BCI | ||||
| Spearman's rho | 0.132 | 0.128 | 0.103 | 0.040 |
| p-value | 0.429 | 0.443 | 0.538 | 0.811 |
NPT: nocturnal penile tumescence, RAU: rigidity activity unit, TAU: tumescence activity unit, Qmax: maximum flow rate, VV: voiding volume, PVR: postvoid residual volume, Compliance: bladder compliance, BOOI: bladder outlet obstruction index, BCI: bladder contractility index.