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Table 1 Patient characteristics and the preoperative data

From: Laparoscopic radical prostatectomy: a single surgeon’s experience in 80 cases after 2 years of formal training

  Group A Group B Group C Group D P
Age (years) (mean ± SD) 67.2 ± 7.4 63 ± 8.19 66 ± 5.63 65.4 ± 9.01 0.3
BMI (mean ± SD) 28.23 ± 5.77 27.91 ± 5.40 28.61 ± 3.37 28.11 ± 3.96 0.971
ASA (mean ± SD) 2.2 ± 0.52 2.05 ± 0.61 2 ± 0.65 1.8 ± 0.77 0.273
Pre-op PSA (mean ± SD) ng/mL 10.33 ± 7.44 10.06 ± 6.97 12.43 ± 7.47 9.21 ± 8.64 0.593
  1. SD = standard deviation; ASA: American Society of Anaesthesiologists, BMI: body mass index, PSA: prostate-specific antigen