Nomogram predicting the efficacy of transurethral surgery in benign prostatic hyperplasia patients
Abstract
Purpose This study aimed to develop and validate a nomogram for predicting the efficacy of transurethral surgery in benign prostatic hyperplasia (BPH) patients. Methods Patients with BPH who underwent transurethral surgery in the West China Hospital and West China Shang Jin Hospital were enrolled. Patients were retrospectively involved as the training group and were prospectively recruited as the validation group for the nomogram. Logistic regression analysis was utilized to generate nomogram for predicting the efficacy of transurethral surgery. The discrimination of the nomogram was assessed using the area under the receiver operating characteristic curve (AUC) and calibration plots were applied to evaluate the calibration of the nomogram. Results A total of 426 patients with BPH who underwent transurethral surgery were included in the study, and they were further divided into a training group ( n = 245) and a validation group ( n = 181). Age (OR 1.07, 95% CI 1.02–1.15, P < 0.01), the compliance of the bladder (OR 2.37, 95% CI 1.20–4.67, P < 0.01), the function of the detrusor (OR 5.92, 95% CI 2.10–16.6, P < 0.01), and the bladder outlet obstruction (OR 2.21, 95% CI 1.07–4.54, P < 0.01) were incorporated in the nomogram. The AUC of the nomogram was 0.825 in the training group, and 0.785 in the validation group, respectively. Conclusion The nomogram we developed included age, the compliance of the bladder, the function of the detrusor, and the severity of bladder outlet…
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