Risk factors for in-hospital mortality and secondary bacterial pneumonia among hospitalized adult patients with community-acquired influenza: a large retrospective cohort study

Table 2 Multivariable analysis with cause-specific proportional hazards model for risk factors of all-cause in-hospital mortality among hospitalized adult patients with community-acquired influenza included in this study (n = 174)

Variables	All-cause in-hospital mortality		Competing risk (discharge alive)
	csHR (95% CI)	p value	csHR (95% CI)	p value
Underlying disease	2.41 (0.56–10.47)	0.239	0.55 (0.39–0.77)	0.001
Secondary bacterial pneumonia	3.38 (1.25–9.17)	0.017	0.85 (0.51–1.43)	0.541

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