Table 2. Pearson's correlations of prostate measurements with IPSS.
| Width | Length | Height | TPV | TZW | TZL | TZH | TZV | |
|---|---|---|---|---|---|---|---|---|
| Q1 Incomplete emptying | 0.104 | 0.114 | 0.133 | 0.160 | 0.149 | 0.145 | 0.163 | 0.191 |
| Q2 Frequency | 0.075 | 0.139 | 0.171 | 0.171 | 0.191 | 0.190 | 0.208 | 0.232 |
| Q3 Intermittency | 0.120 | 0.121 | 0.121 | 0.153 | 0.158 | 0.131 | 0.158 | 0.175 |
| Q4 Urgency | 0.145 | 0.164 | 0.213 | 0.207 | 0.206 | 0.195 | 0.230 | 0.241 |
| Q5 Weak stream | 0.196 | 0.187 | 0.221 | 0.230 | 0.262 | 0.262 | 0.270 | 0.271 |
| Q6 Straining | 0.161 | 0.176 | 0.194 | 0.207 | 0.262 | 0.234 | 0.259 | 0.253 |
| Q7 Nocturia | 0.078 | 0.175 | 0.167 | 0.185 | 0.211 | 0.236 | 0.237 | 0.258 |
| Storage symptom | 0.138 | 0.195 | 0.213 | 0.228 | 0.256 | 0.284 | 0.272 | 0.303 |
| Voiding symptom | 0.177 | 0.192 | 0.184 | 0.229 | 0.262 | 0.273 | 0.259 | 0.288 |
| Total IPSS | 0.168 | 0.212 | 0.195 | 0.241 | 0.291 | 0.319 | 0.279 | 0.328 |
Abbreviations: IPSS, International Prostate Symptom Score; TPV, total prostate volume; TZH, transition zone height; TZL, transition zone length; TZV, transition zone volume; TZW, transition zone width.