A Novel Nomogram for Predicting Survival in Patients with Severe Acute Pancreatitis: An Analysis Based on the Large MIMIC-III Clinical Database

Table 2

Multivariate Cox regression analysis of AP based on first 24 h data in the training set.

Variables	Multivariate analysis
	HR	95% CI	value
Weight	0.987	0.979–0.995	<0.001
Gender
Male	Reference	—	—
Female	0.745	0.553–1.003	0.052
Insurance
Medicare	Reference	—	—
Private	0.451	0.324–0.629	<0.001
Medicaid	0.615	0.387–0.978	0.040
Government	0.194	0.061–0.616	0.005
Self-pay	1.841	0.564–6.011	0.312
Explicit sepsis
No	Reference	—	—
Yes	2.060	1.470–2.886	<0.001
SAPSII	1.035	1.025–1.046	<0.001
Elixhauser score	1.022	1.007–1.038	0.004
Bilirubin	1.048	1.015–1.082	0.005
Anion gap	1.033	1.012–1.055	0.002
Creatinine	0.856	0.788–0.930	<0.001
Hematocrit	1.122	1.049–1.201	<0.001
Hemoglobin	0.660	0.539–0.808	<0.001
RDW	1.138	1.069–1.211	<0.001
SPO2	0.939	0.902–0.978	0.002
Respiratory rate	1.023	0.992–1.054	0.147

SAPSII: Simplified Acute Physiology Score II; RDW: red blood cell distribution width.