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Page 6 of 13 Pennestrì et al. Mini-invasive Surg. 2025;9:16 https://dx.doi.org/10.20517/2574-1225.2025.03

Table 1. Characteristics of the study’s population
Patients 157
Age (years) 46 (40-53)
Height (cm) 167 (160-172)
Weight (kg) 140 (125-160)
2
BMI (kg/m ) 51.6 (46.7-56.7)
Male/female 53 (33.8%) / 104 (66.2%)
Smoking
No 114 (72.6%)
Previously 25 (15.9%)
Yes 18 (11.5%)
Comorbidities (yes/no) 101 (64.3%) / 56 (35.7%)
HBP (yes/no) 71 (45.2%) / 86 (54.8%)
OSAS (yes/no) 58 (36.9%) / 99 (63.1%)
Diabetes
No 112 (71.3%)
IGT 28 (17.9%)
T2DM 17 (10.8%)
Previous non-bariatric abdominal surgery
No 72 (45.8%)
Laparoscopic 28 (17.9%)
Open 57 (36.3%)
Type of bariatric operation
Primary SADI-S 104 (66.2%)
Conversion to SADI-S 8 (5.1%)
SADI 45 (28.7%)
Previous bariatric procedures
No 104 (66.2%)
SG 45 (28.7%)
Adjustable gastric banding 6 (3.8%)
Roux-en-Y gastric bypass 2 (1.3%)
2
BMI (kg/m ) in patients scheduled for primary SADI-S 53 (50.6-57.8)
2
BMI (kg/m ) in patients scheduled for revisional SADI-S/SADI 44.6 (38.6-44.6)
2
BMI (kg/m ) at the first bariatric operation in patients scheduled for revisional SADI-S/SADI 51.4 (44-54.4)
Time (months) between previous bariatric procedure and revisional SADI-S/SADI 63 (37.5-93)
Procedure performed
Laparoscopic SADI-S 78 (49.7%)
Robot-assisted SADI-S 34 (21.6%)
Laparoscopic SADI 44 (28%)
Robot-assisted SADI 1 (0.7%)
OT (minutes) 120 (100-160)
Laparoscopic SADI-S 120.5 (110-150)
Robot-assisted SADI-S 182.5 (162-207)
Laparoscopic SADI 93.5 (70.5-120)
Robot-assisted SADI 120
ICU (yes/no) 6 (3.8%) / 151 (96.2%)
Postoperative hospital stay (days) 2 (2-3)
30-day postoperative complications (yes/no) 4 (2.5%) / 153 (97.5%)
Reoperation (yes/no) 2 (1.3%) / 155 (98.7%)
Pneumonia (yes/no) 2 (1.3%) / 155 (98.7%)
Bleeding (yes/no) 1 (0.7%) / 156 (99.3%)
Acute pancreatitis (yes/no) 1 (0.7%) / 156 (99.3%)
Trocar site hernia (yes) 1 (0.7%) / 156 (99.3%)
30-day hospital readmissions (yes/no) 1 (0.7%) / 156 (99.3%)
Late complications (yes/no) 5 (3.1%) / 152 (96.9%)
Incisional hernia (yes/no) 1 (0.7%) / 156 (99.3%)
Chronic diarrhea (yes/no) 4 (2.5%) / 153 (97.5%)