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Table 3 Comparisons of surgical outcomes between first- and second-generation surgeons

From: Perioperative outcomes following robot-assisted partial nephrectomy for renal cell carcinoma according to surgeon generation

Surgeon's experience 1 to 50   51–100   101–150  
  First second p First Second p First Second p
Operation time, min 188 (165–213) 169 (147–190) 0.0001 169 (139–197) 145 (127–178) 0.008 165 (155–186) 142 (126–178) 0.009
WIT, min 20 (14–26) 17 (14–20) 0.019 17 (13–24) 17 (12–24) 0.812 17 (12–19) 15 (12–21) 0.489
EBL, ml 30 (10–100) 50 (20–100) 0.174 30 (10–100) 30 (10–50) 0.142 18 (10–42) 50 (14–90) 0.081
Clavien \(\ge\) 2, n 21 (21) 14 (14) 0.193 18 (18) 10 (10) 0.091 10 (20) 7 (9) 0.06
Positive margin, n 0 0 1 (1) 0 0.311 0 4 (5) 0.111
Postoperative eGFR, (1 month after), ml/min/1.72m2 60.5 (51.3–70.1) 63.9 (53.9–74.8) 0.198 64.4 (48.3–73.9) 60.7 (49.9–73.2) 0.925 67.2 (53.5–76.1) 65.8 (52.9–78.7) 0.526
Trifecta, n 58(58) 81(81) 0.0004 65(66) 72(72) 0.387 40(80) 63(78) 0.763
  1. Values are presented as number (%) or median (Interquartile range)
  2. ASA American Society of Anesthesiologists, BMI body mass index, preop preoperative, NS nephrometry score, eGFR estimated glomerular filtration rate, EBL estimate blood loss