Table 5.

Multivariable regression of length of stay and total charge

	Standardized coefficient for length of stay	P value	Standardized coefficient for total charge	P value
Type of pancreatitis
Acute pancreatitis	Reference	Reference	Reference	Reference
Chronic pancreatitis	-0.197	< 0.001	-0.172	< 0.001
Acute on chronic pancreatitis	-0.130	< 0.001	-0.148	0.001
Hospital type
Urban teaching	Reference	Reference	Reference	Reference
Urban non-teaching	-0.054	0.19	0.009	0.82
Rural	-0.044	0.291	-0.046	0.277
Drainage type
Laparoscopic	Reference	Reference	Reference	Reference
Non-laparoscopic	0.135	0.001	0.102	0.017