Table 9.

Cox regression model for probability of discharge from hospital over time (viruses compared to A/H3) N = 535

Outcome variable	Independent variable	Unadjusted HR (95% CI)	Unadjusted P-value	Adjusted HR (95% CI)	Adjusted P-value
Discharge from hospital (n = 535)	Virus (reference: A/H3) (n = 168)
	A/H1 (n = 61)	0.629 (0.463–0.854)	0.003	0.643 (0.471–0.878)	0.005
	INF-B (n = 69)	1.057 (0.795–1.405)	0.704	1.042 (0.785–1.384)	0.776
	hMPV (n = 79)	0.968 (0.738–1.268)	0.811	0.963 (0.736–1.259)	0.781
	PIV (n = 66)	0.892 (0.663–1.200)	0.451	0.986 (0.740–1.313)	0.922
	RSV (n = 92)	0.752 (0.579–0.976)	0.032	0.812 (0.626–1.053)	0.116
	COPD (n = 89)	0.919 (0.805–1.049)	0.210	0.765 (0.605–0.969)	0.027
	Female (n = 264)	1.189 (1.079–1.310)	<0.001	0.942 (0.792–1.120)	0.496
	Age group (reference: 18–49 years, n = 125)
	50–64 years (n = 142)	0.838 (0.735–0.956)	0.009	0.815 (0.637–1.043)	0.104
	65+ years (n = 268)	0.980 (0.873–1.099)	0.725	0.836 (0.668–1.045)	0.116