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Table 1 Baseline patient’s characteristics

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
Age, years, median (IQR) 47.4 (38–56) 51.4 (43–60) 0.04*
Gender, male: female, N (%) 139 (34.1): 269 (65.9) 15 (31.3): 33 (68.7) 0.70
BMI, kg/m2, median (IQR) 25.6 (22.8–28.4) 23.2 (19.6–26.5) 0.001*
Tumor laterality, right: left, N (%) 179 (43.9): 229 (56.1) 26 (54.2): 22 (45.8) 0.18
Tumor size, cm, median (IQR) 2 (1.5–3) 8 (6.6–10)  < 0.001*
Comorbidities, N (%)
 Diabetes 77 (18.9) 11 (22.9) 0.50
 Hypertension 365 (89.5) 35 (72.9) 0.001*
 Chronic kidney disease 21 (5.2) 2 (4.2) 0.77
 Dyslipidemia 74 (18.1) 10 (20.8) 0.65
ASA classification, N (%)  < 0.001*
 1 21 (5.2) 11 (22.9)  
 2 357 (87.5) 35 (72.9)  
 3 30 (7.4) 2 (4.2)  
Previous abdominal surgery, N (%) 136 (33.8) 15 (32.6) 0.87
Preoperative diagnosis, N (%)  < 0.001*
 APA 267 (65.4) 2 (4.2)  
 Cushing syndrome 59 (14.5) 2 (4.2)  
 Incidentaloma 34 (8.3) 16 (33.3)  
 Pheochromocytoma 36 (8.8) 21 (43.8)  
 Metastasis 7 (1.7) 4 (8.3)  
 Myelolipoma 1 (0.2) 2 (4.2)  
 Adrenocortical carcinoma 4 (1.2) 1 (2.1)  
  1. IQR interquartile range, BMI body mass index, ASA American Society of Anesthesiologists, APA aldosterone-producing adenoma
  2. *P-value < 0.05