Table 1.

Characteristics of patients admitted with acute COVID-19 during the study period.

		Delta	Omicron	p-Value
	Total admitted (no.)	84	171
	Due to COVID-19 [no. (%)]	68 (81%)	116 (66%)	0.05
	Non-respiratory [no. (%)]	29 (35%)	49 (28%)	0.96
	Respiratory [no. (%)]	39 (46%)	67 (38%)	0.96
Sex	Female [no. (%)]	30 (44%)	55 (47%)	0.69
	Male [no. (%)]	38 (56%)	61 (53%)	0.69
Race	White [no. (%)]	40 (59%)	62 (53%)	0.52
	Black [no. (%)]	17 (25%)	28 (24%)	0.90
	Other/Not declared [no. (%)]	11 (16%)	30 (26%)	0.14
Ethnicity	Hispanic [no. (%)]	4 (6%)	10 (9%)	0.50
Age	<2 months [no. (%)]	13 (19%)	16 (14%)	0.35
	0 to 4 [no. (%)]	31 (46%)	72 (62%)	0.048
	5 to 11 [no. (%)]	13 (19%)	20 (17%)	0.76
	12 to 18 [no. (%)]	21 (31%)	20 (17%)	0.04
	19 and above [no. (%)]	3 (4%)	4 (3%)	0.74
Duration of symptoms [Mean no. days (Median no. days)]		4.6 (3)	3.7 (2)	0.16
	Non-respiratory [Mean no. days (Median no. days)]	3.9 (2)	3.6 (2)	0.76
	Respiratory [Mean no. days (Median no. days)]	5.1 (4)	3.7 (2)	0.09
Length of stay [Mean no. days (Median no. days)]		3.7 (3)	2.8 (2)	0.12
	Non-respiratory [Mean no. days (Median no. days)]	2.6 (2)	2.2 (1)	0.64
	Respiratory [Mean no. days (Median no. days)]	4.5 (3)	3.1 (2)	0.12
Pressor Use [no. (%)]		4 (6%)	5 (4%)	0.64
	Non-respiratory [no. (%)]	3 (10%)	2 (4%)	0.36
	Respiratory [no. (%)]	1 (3%)	3 (4%)	1.00
NIPPV Use [no. (%)]		23 (34%)	23 (20%)	0.04
Ventilator Use [no. (%)]		1 (1%)	4 (3%)	0.43