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The statistical analysis by a logistic regression model (n=239)
CI, confidence interval; IPP, intravesical prostatic protrusion; IPSS, International Prostate Symptom Score; QoL, quality of life; PVR, postvoid residual urine; Qmax, peak flow rate.
a:Statistically insignificant; the correct classification rate based on a threshold of 0.5 was 90.0%. The Hosmer-Lemeshow goodness-of-fit test showed the model fit well (p=0.95).
