Mortality and clinical characteristics of multisystem inflammatory syndrome in children (MIS-C) associated with covid-19 in critically ill patients: an observational multicenter study (MISCO study)

Table 3 Factors associated with mortality (by a logistic regression model)

	^a	95% CI for β	P-value^b	Odds Ratio (OR)^c	95% CI for OR
Arrhythmia (No)^d	1.79	(0.26, 3.32)	0.02	35.73	(1.67, 764.66)
Diarrhea (No)^e	-2.77	(-4.89, -0.65)	0.01	0.004	(0.001, 0.272)
Ferritin^f	-0.003	(-0.005, -0.001)	0.02	0.997	(0.994, 0.999)

Regardless of age
^a The numbers in this column are estimates of the coefficients using the logistic regression model for a dichotomous variable as response (in this case, Mortality which is coded as 0 if the patient survives, 0 otherwise)
^b Tests the null hypothesis that β is equal to 0 vs. the hypothesis that β is different from 0
^c The odds ratio and its CI are adjusted for Arrhythmia, Diarrhea, and Ferritin
^d This dichotomous variable was defined as 1 if the patient had Arrhythmia, 0 otherwise
^e This dichotomous variable was defined as 1 if the patient had Diarrhea, 0 otherwise
^f A one-unit increase in ferritin levels decreases the log of odds of survival by -0.003 units. In other words, the higher the ferritin levels, the greater the risk of mortality

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