Table 3.

Risk of death among patients with respiratory viral infections according to virus type and patient’s age. Logistic regression models adjusted by year, type of surveillance scheme, country region, and patient’s gender. Ecuador, 2011–2016.

	No.	Case-fatality ratio (%)	Univariate logistic regression			Multivariate logistic regression
			OR	95% CI	p-Value	OR	95% CI	p-Value
Respiratory virus
Negative	19,126	4.8%	1.00			1.00
Influenza A(H1N1)p	1023	11.0%	2.44	1.98–3.00	<0.001	1.73	1.38–2.17	<0.001
Influenza A(H3N2)	626	5.3%	1.09	0.76–1.56	0.627	0.99	0.69–1.44	0.974
Influenza B	411	5.8%	1.22	0.80–1.85	0.356	1.17	0.76–1.80	0.482
RSV	3153	2.0%	0.41	0.31–0.53	<0.001	0.75	0.57–0.98	0.033
Parainfluenza	571	2.8%	0.57	0.34–0.93	0.026	0.79	0.48–1.32	0.377
Adenovirus	149	4.7%	0.97	0.45–2.07	0.933	1.69	0.77–3.72	0.190
hMPV	158	2.5%	0.51	0.19–1.38	0.185	1.23	0.44–3.41	0.694
Other/multiple	96	3.1%	0.63	0.20–2.00	0.437	0.85	0.26–2.74	0.784
Age group
<1 year	10,376	2.9%	0.25	0.20–0.30	<0.001	0.23	0.18–0.28	<0.001
1–4 years	7319	1.6%	0.13	0.10–0.17	<0.001	0.13	0.10–0.17	<0.001
5–17 years	1865	2.9%	0.25	0.18–0.34	<0.001	0.27	0.20–0.37	<0.001
18–39 years	1515	10.8%	1.00			1.00
40–64 years	1828	12.1%	1.15	0.93–1.42	0.212	1.19	0.95–1.47	0.126
≥65 years	2409	13.9%	1.34	1.10–1.64	0.004	1.58	1.29-1.93	<0.001

OR: Odds ratio. CI: Confidence intervals. RSV: Respiratory syncytial virus. hMPV: Human metapneumovirus.