Table 3.

Number of hospitalizations for the ordinary regime and average length of stay (LS) for bariatric procedure by year and gender Italy, 2014–2021.

Year	Laparoscopic gastric surgery				Other operations on the stomach				High gastric bypass
	(gastric bondage)				(sleeve gastrectomy)				(ICD9-CM: 44.31)
	(ICD9-CM: 44.95)				(ICD9-CM: 44.99)
	Man	LS	Woman	LS	Man	LS	Woman	LS	Man	LS	Woman	LS
2014	600	3.35	2,586	3.11	1,064	7.34	2,988	5.86	312	7.67	784	6.91
2015	604	3.47	2,525	3.3	1,405	6.85	4,126	5.22	313	8.11	979	6.66
2016	658	3.78	2,620	3.3	2,121	5.54	5,628	4.61	364	7.65	1,205	5.77
2017	577	4.11	2,431	3.31	2,700	4.94	7,387	4.26	468	6.81	1,507	5.77
2018	560	3.76	2,476	3.62	3,191	4.6	8,683	4	579	5.77	1807	5.43
2019	474	3.95	2,319	3.29	3,586	4.33	9,407	3.68	698	5.71	2049	4.92
2020	349	3.27	1,664	3	2,487	4.32	6,878	3.73	510	4.91	1,547	4.61
2021	420	3.29	2035	3.11	3,524	4.12	10,507	3.37	674	4.31	2058	4.09
Total	4,242	3.65	18,656	3.27	20,078	4.88	55,604	4.08	3,918	6.03	11,936	5.28