. 2024 Jan 4;46(1):2294151. doi: 10.1080/0886022X.2023.2294151

Table 3.

Multivariate regression of normal saline infusion in emergency department for the second outcomes in patients with heat stroke.

Volume of normal saline infusion (L)	OR/β (95% CI) p
Volume of normal saline infusion (L)	Univariate	Adjust model I	Adjust model II
RRT	0.93 (0.54, 1.61) .793	0.70 (0.37, 1.34) .280	0.40 (0.13, 1.22) .107^a
Admitted to ICU	1.50 (1.16, 1.94) .002	1.43 (1.08, 1.91) .013	3.46 (1.58, 7.54) .002^b
Length of stay in ICU	1.18 (0.70, 1.67) <.001	1.22 (0.70, 1.74) <.001	1.00 (0.44, 1.56) <.001^c
Length of stay in hospital	2.52 (1.74, 3.29) <.001	2.64 (1.85, 3.43) <.001	1.41 (0.37, 2.45) .008^d
Mortality	1.54 (1.04, 2.27) .030	2.08 (1.23, 3.53) .006	1.96 (0.72, 5.35) .189^e

NEWS: National Early Warning Score; RRT: renal replacement therapy; ICU: intensive care unit; OR: odds ratio; CI: confidence interval.

Adjust model I adjusted for sex, age, type of heat stroke, creatinine.

Adjust model II adjusted for:

^{^a}

Institution, NEWS, creatinine, lactic acid, and use of vasoactive drugs.

^{^b}

Institution, sex, age, NEWS, chlorine, creatinine, lactic acid, use of vasoactive drugs, and length of stay in emergency department.

^{^c}

Institution, type of heat stroke, age, NEWS, creatinine, lactic acid, use of vasoactive drugs, and length of stay in emergency department.

^{^d}

Institution, type of heat stroke, age, NEWS, creatinine, lactic acid, use of vasoactive drugs, and length of stay in emergency department.

^{^e}

Institution, type of heat stroke, sex, age, NEWS, chlorine, creatinine, troponin I, use of vasoactive drugs, and length of stay in emergency department.