Table 5. The relationship between aspirin dose and primary outcomes using multivariable logistic regression analysis.

Variables	In-hospital death			28-day mortality
	OR (95% CI)	P value		OR (95% CI)	P value
Age	1.044 (1.025, 1.064)	<0.001		1.052 (1.035, 1.071)	<0.001
Gender	1.161 (0.843, 1.597)	0.36		1.136 (0.849, 1.517)	0.39
Heart rate	1.007 (0.996, 1.018)	0.23		1.013 (1.003, 1.023)	0.01
DBP	0.986 (0.970, 1.003)	0.11		0.983 (0.967, 0.998)	0.03
SpO2	0.958 (0.942, 0.974)	<0.001		0.965 (0.95, 0.981)	<0.001
Glucose	1.007 (1.004, 1.011)	<0.001		1.007 (1.004, 1.011)	<0.001
Hematocrit	1.024 (0.994, 1.054)	0.12		1.031 (1.004, 1.059)	0.03
Pt	1.036 (1.010, 1.063)	0.005		1.035 (1.01, 1.062)	0.005
Renal disease	1.463 (1.020, 2.081)	0.04		1.500 (1.081, 2.072)	0.01
Coronary artery disease	0.819 (0.593, 1.129)	0.22		0.828 (0.618, 1.107)	0.20
Diabetes	0.802 (0.572, 1.119)	0.20		0.813 (0.599, 1.099)	0.18
Hypertension	0.807 (0.587, 1.108)	0.19		0.727 (0.544, 0.969)	0.03
Mechanical ventilation use	2.600 (1.796, 3.74)	<0.001		2.210 (1.556, 3.121)	<0.001
CRRT	5.100 (3.062, 8.481)	<0.001		5.062 (3.076, 8.349)	<0.001
Aspirin dose	0.994 (0.682, 1.430)	0.98		1.024 (0.728, 1.426)	0.89

OR, odds ratio; CI, confidence interval; DBP, diastolic blood pressure; SpO₂, oxygen saturation; Pt, prothrombin time; CRRT, continuous renal replacement therapy.