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Table 1 BPH patients characteristics stratified by pre-operative prostate volume

From: Correlation between body mass index and prostate volume in benign prostatic hyperplasia patients undergoing holmium enucleation of the prostate surgery

  Prostate volume ≤ 75 mL Prostate volume > 75 mL P
Age, mean (SD) 70.8 (8.8) 70.5 (8.2) 0.81
Race/ethnicity, n (%)    0.48
 European Americans 91 (64.5) 84 (61.3)  
 Hispanic/latino 35 (24.8) 42 (30.7)  
 Other/unknown 15 (10.6) 11 (8.0)  
BMI, median (IQR) 26.3 (24.1–29.0) 27.2 (24.2–29.9) 0.03
Smoking history, n (%)    0.30
 Never 79 (60.8) 73 (57.5)  
 Former smoker 40 (30.8) 48 (37.8)  
 Currently smoker 11 (8.5) 6 (4.7)  
Urinary tract Infection, n (%)    0.39
 No 113 (80.1) 111 (82.2)  
 Yes 28 (19.9) 24 (17.8)  
Urinary retention, n (%)    0.04
 No 78 (55.3) 60 (44.1)  
 Yes 63 (44.7) 76 (55.9)  
Bladder stone, n (%)    0.19
 No 128 (90.8) 117 (86.7)  
 Yes 13 (9.2) 18 (13.3)  
Diabetes, n (%)    0.23
 No 114 (80.9) 104 (76.5)  
 Yes 27 (19.1) 32 (23.5)  
Hyperlipidemia, n (%)    0.21
 No 80 (56.7) 84 (62.2)  
 Yes 61 (43.3) 51 (37.8)  
Hypertension, n (%)    0.30
 No 65 (46.1) 57 (42.2)  
 Yes 76 (53.9) 78 (57.8)  
  1. Note: P < 0.05 using Independent sample T-test for age and Chi-square tests for other variables. Bold values indicate statistically significant (P < 0.05)
  2. BMI body mass index, BPH benign prostatic hyperplasia, IQR interquartile range, SD standard deviation