Efficacy and Safety of Transurethral Columnar Balloon Dilation of the Prostate for the Treatment of Benign Prostatic Hyperplasia: A Multicenter Trial

Figure 1

Linear regression analysis. (a–d) Linear regression analyses of the correlations of age with IPSS (a), QoL score (b), Qmax (c), and PVR (d); (e–h) linear regression analyses of the correlations of prostate volume with IPSS score (e), QoL score (f), Qmax (g), and PVR (h); (i–l) linear regression analyses of the correlations of serum PSA level with IPSS score (i), QoL score (j), Qmax (k), and PVR (l).

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