Outcomes of inpatient cholecystectomy among adults with cystic fibrosis in the United States

Table 4 Multivariate comparison of post-operative outcomes between subjects with cystic fibrosis who underwent open compared to laparoscopic cholecystectomy from 2002 to 2014

	Length of stay			Hospitalization cost
	Days	95%CI	P value	$	95%CI	P value
Open cholecystectomy	4.82	(0.82, 8.83)	0.018	18449	(5582, 31316)	0.005
Elixhauser co-morbidity score ≥ 3	8.35	(4.28, 12.43)	< 0.001	28344	(10548, 46141)	0.002
Hospital location/teaching status			< 0.001			< 0.001
Rural	-5.88	(-11.53, -0.24)		-13801	(-22490, -5111)
Urban non-teaching	-3.69	(-5.71, -1.68)		-13709	(-20684, -6734)
Urban teaching	Ref.			Ref.

Adjusted for significant covariates.