Table 2.

Clinical Outcomes in the Two Studied Groups

	Group SC	Group QP	pa	pb	pc
Patients hospitalized	22 (28.9%)	7 (9.2%)	0.0016	0.0020
Days of hospitalization*	6.77 ± 3.08	1.57 ± 0.53			0.0001
Hospitalization frequencies			0.0001	0.0037
1 day	0	3
2 days	1	4
3 days	2	0
4 days	3	0
5 days	1	0
6 days	3	0
7 days	4	0
8 days	3	0
9 days	2	0
10 days	2	0
16 days	1	0
Patients needed oxygen	15 (19.7%)	1 (1.3%)	0.0100	0.0125
Patients in ICU	8 (10.5%)	0	0.0211	0.0608
Deaths	3 (3.9%)	0	0.04	0.0802

Notes: *Expressed as mean ± standard deviation; p^a: likelihood ratio; p^b: Pearson; p^c: t test and Wilcoxon/Kruskal–Wallis tests.

Abbreviations: SC, standard care; QP, formulated quercetin (+standard care); ICU, intensive care unit.