Table 3. Multivariable analyses for hospital outcomes by logistic regression models among patients with normal LVEF (EF ≥ 50%) ^a.

Shock indices at ICU admission	Hospital mortality		ICU mortality		30-day mortality
	Ors (95% Cis)	P value	Ors (95% Cis)	P value	Ors (95% Cis)	P value
Vital signs
Systolic BP	0.985 (0.973 to 0.998)	0.027 b	0.985 (0.971 to 0.999)	0.032 b	0.985 (0.971 to 0.999)	0.033 b
Diastolic BP	0.973 (0.950 to 0.997)	0.027 b	0.975 (0.950 to 1.000)	0.054	0.980 (0.955 to 1.005)	0.114
Heart rate	1.009 (0.955 to 1.022)	0.207	1.003 (0.988 to 1.017)	0.713	1.008 (0.994 to 1.022)	0.279
Shock indices
SI	2.953 (1.271 to 6.861)	0.012 b	2.192 (0.912 to 5.265)	0.079	2.461 (1.026 to 5.900)	0.044 b
DSI	2.010 (1.194 to 3.386)	0.009 b	1.586 (0.916 to 2.746)	0.100	1.607 (0.928 to 2.780)	0.079
MSI	2.482 (1.284 to 4.797)	0.007 b	1.845 (0.926 to 3.677)	0.087	1.985 (0.996 to 3.955)	0.051
Age SI	1.014 (1.003 to 1.025)	0.012 b	1.011 (1.000 to 1.023)	0.055	1.013 (1.002 to 1.025)	0.025 b
SI quartiles	1.435 (1.051 to 1.959)	0.023 b	1.364 (0.972 to 1.913)	0.072	1.408 (1.004 to 1.975)	0.047 b
DSI quartiles	1.475 (1.089 to 1.998)	0.012 b	1.243 (0.896 to 1.726)	0.193	1.434 (1.030 to 1.997)	0.033 b
MSI quartiles	1.511 (1.111 to 2.056)	0.009 b	1.404 (1.006 to 1.959)	0.046 b	1.427 (1.023 to 1.990)	0.036 b
Age-SI quartiles	1.367 (0.991 to 1.911)	0.056	1.241 (0.876 to 1.756)	0.224	1.323 (0.933 to 1.877)	0.117

Age-SI, age shock index; BP, blood pressure; CI, confidence interval; DSI, diastolic shock index; LVEF, left ventricular ejection fraction; MSI, modified shock index; OR, odds ratio; SI, systolic shock index.

^a Adjusted for age, body temperature, cancer, SOFA score and SAPS3 at ICU admission, hospital-acquired infection, mechanical ventilation, continuous renal replacement therapy, and antibiotic adequacy.

^b P < 0.05