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* |