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Table 2 Perioperative outcomes

From: Laparoscopic transperitoneal adrenalectomy in the large adrenal tumor from single center experience

  Group 1 (N = 408) Tumor size < 6 cm Group 2 (N = 48) Tumor size ≥ 6 cm P-value
Intraoperative parameters
 Operative time, minutes, median (IQR) 75 (60–108) 120 (100–150)  < 0.001*
 Estimated blood loss, ml, median (IQR) 20 (20–50) 100 (30–300)  < 0.001*
 Transfusion, N (%) 0 10 (20.8)  < 0.001*
 Intraoperative complication, N (%) 19 (4.7) 15 (31.3)  < 0.001*
 Open conversion, N (%) 1 (0.25) 7 (14.6)  < 0.001*
Postoperative parameters
 30 day postoperative complication, N (%) 22 (5.4) 15 (31.3)  < 0.001*
  Minor (Clavien grade 1–2), N (%) 17 (4.2) 12 (25)  < 0.001*
  Major (Clavien grade 3–5), N (%) 5 (1.2) 3 (6.2) 0.04*
 Positive surgical margin, N (%) 5 (1.2) 2 (4.2) 0.16
 Length of postoperative stay, day, median (IQR) 4 (4–5) 5.5 (5–7)  < 0.001*
  1. IQR interquartile range
  2. *P-value < 0.05