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Table 3 Correlation between PGI-S and other baseline BPH Measures across race, ethnicity and baseline severity

From: Construct validation of patient global impression of severity (PGI-S) and improvement (PGI-I) questionnaires in the treatment of men with lower urinary tract symptoms secondary to benign prostatic hyperplasia

Spearman’s Correlation n IPSS IPSS-QoL BII Qmax
Asian 763 0.45** 0.45** 0.58** −0.06
Caucasian 860 0.42** 0.43** 0.50** −0.12**
  Hispanic Caucasian 164 0.55** 0.54** 0.55** −0.14
  Non-Hispanic Caucasian 696 0.38** 0.38** 0.49** −0.12*
Moderate LUTS 1088 0.35** 0.37** 0.49** −0.04
Severe LUTS 603 0.36** 0.39** 0.50** −0.11*
  1. Asian: from the 2 studies conducted in Asia; Caucasian: from the 2 studies conducted outside Asia.
  2. PGI-S: Patient Global Impression of Severity; IPSS: International Prostate Symptom Scores; IPSS QoL: IPSS-Quality of Life (QoL), BII - Benign Prostatic Hyperplasia Impact Index; Qmax: peak urine flow rate; LUTS: Lower Urinary Tract Symptoms; n: number of patients. **: p<0.001; *: p<0.05.