New results on the safety of laparoscopic sleeve gastrectomy bariatric procedure for type 2 diabetes patients

Table 1 Patient characteristics

	Non-type 2 diabetes group, n = 841, n (%) or mean (± SD)	Type 2 diabetes group, n = 143, n (%) or mean (± SD)	P-value
Female	573 (68.1)	78 (54.5)	0.02
Age, yr	38 (± 12.0)	48 (± 11.0)	< 0.01
BMI, kg/m2	41.8 (± 5.9)	41.4 (± 6.1)	0.48
Operative time, min	55 (20.8)	57 (24.6)	0.57
Dyslipidemia	110 (13.1)	75 (52.4)	< 0.01
Essential hypertension	106 (12.6)	63 (44.1)	< 0.01
Chronic ischemic heart disease	10 (1.2)	10 (7.0)	< 0.01
Smoking status	89 (10.6)	22 (15.4)	0.09
Asthma	34 (4.0)	9 (6.3)	0.22
Sleep apnea	36 (4.3)	13 (9.1)	0.01
Anemia	15 (1.8)	4 (2.8)	0.41
Previous bariatric surgery	237 (29.0)	29 (20.3)	0.03
Hemoglobin A1c level % (± SD), mmol/mol (± SD)	5.6 (± 0.5), 38 (± 5.0)	7.6 (± 1.8), 60 (± 15.0)	< 0.01
Fasting plasma glucose mg/dL (± SD)	96 (± 13.0)	152 (± 51.0)	< 0.01

Table 2 Mild and severe early complications (by Clavien-Dindo classification)¹, n (%)

Grade	Non-type-2-diabetes group, n = 841	Type 2 diabetes group, n = 143	P-value
1	14 (1.7)	6 (4.2)
2	15 (1.8)	6 (4.2)
3a	3 (0.4)	0 (0.0)
Mild (CD ≤ 3a)	32 (3.8)	12 (8.4)	0.01
3b	15 (1.8)	4 (2.8)
4a	7 (0.8)	1 (0.7)
4b	4 (0.5)	2 (1.4)
5	1 (0.1)	0 (0.0)
Severe (CD ≥ 3b)	27 (3.2)	7 (4.9)	0.31
Total	59 (7.0)	19 (13.3)	0.01

¹This is a univariate analysis. CD: Clavien-Dindo.

Table 3 Early complications (by type), n (%)

Early complication by type	Non-type 2 diabetes group, n = 841	Type 2 diabetes group, n = 143
Staple line dehiscence and leak	16 (1.9)	2 (1.4)
Stricture and dysphagia	20 (2.4)	8 (5.6)
Bleeding	7 (0.8)	3 (2.1)
Acute renal failure	0 (0.0)	3 (2.1)
Respiratory failure	4 (0.5)	0 (0.0)
Other	11 (1.3)	3 (2.1)
Total	59 (6.9)	19 (13.2)