A Propensity Score Cohort Study on the Long-Term Safety and Efficacy of Sleeve Gastrectomy in Patients Older Than Age 60

Table 2

Operative and 30-day postoperative complications in the two groups according to the Clavien-Dindo classification.

Grade	Control group (CG)	Older group (OG)
I	4	0
II	8	5
IIIa	3	0
IIIb	1	4
IV	0	0
V	0	0
Total	11%	8%
Overall	9.5%

Grade I: any deviation from the normal postoperative; II: normal course altered; III: complications that require intervention of various degrees; IIIa: complications that require an intervention performed under local anesthesia; IIIb: interventions that require general or epidural anesthesia; IV: life-threatening complications; V: death of a patient.