Table 1.

COVID-19 patients characteristic and logistic model for mortality.

COVID-19 patients characteristic	First quartile	Second quartile	Third quartile	Fourth quartile
Number of patients	284	445	167	54
Age, mean ± SD	66 ± 14	64 ± 14	65 ± 17	65 ± 18
Male, n (%)	213(75%)	300 (67%)	100 (60%)	35 (65%)
ICU, n (%)	48 (17%)	61 (14%)	16 (10%)	4 (7.4%)
Age for ICU patients, mean ± SD	60 ± 12	62 ± 9	60 ± 11	66 ± 19
Hospital stay over all, median (IQR)	14 (8–25)	14 (7–26)	13 (7–27)	17 (8–24)
Hospital stay for survivors, median (IQR)	15 (8–28)	15 (8–27)	14.5 (7–29)	17 (8–23)
Hospital stay for dead patients, median (IQR)	12 (7–22)	10 (5–20)	13 (5–22)	24 (24–24)
First data quartile	25/02/2020	16/03/2020	05/04/2020	24/04/2020
Last data quartile	15/03/2020	04/04/2020	23/04/2020	13/05/2020
Logistic model for mortality	Odds Ratio	P value	95% Confidence Interval
Age	0.99	<0.0001	0.99	0.99
Based on first quartile (ref)
Quartile 2	0.33	<0.0001	0.24	0.46
Quartile 3	0.39	<0.0001	0.25	0.61
Quartile 4	0.03	0.001	0.004	0.22