Table 2.

Characteristics of patients who received and did not receive prehospital monoclonal antibody therapy and were hospitalized within 28 days of a COVID-19 test.

Variables		All hospitalized patients (n=345)	Control group (n=200)	Monoclonal antibody treatment group (n=145)	P value
Age (years), median (IQR)		72.00 (61.00-80.00)	69.00 (57.00-78.00)	75.00 (64.00-82.00)	.001
Age categories (years), n (%)					.001
	<55	52 (15.1)	42 (21.0)	10 (6.9)
	55-64	62 (18.0)	35 (17.5)	27 (18.6)
	65-74	89 (25.8)	55 (27.5)	34 (23.4)
	≥75	142 (41.2)	68 (34.0)	74 (51.0)
Female sex, n (%)		169 (49.0)	106 (53.0)	63 (43.4)	.10
Race/ethnicity, n (%)					.02
	Hispanic	32 (9.3)	24 (12.0)	8 (5.5)
	Non-Hispanic Black	25 (7.2)	20 (10.0)	5 (3.4)
	Asian	19 (5.5)	12 (6.0)	7 (4.8)
	Non-Hispanic White	231 (67.0)	118 (59.0)	113 (77.9)
	Other/multiracial	29 (8.4)	20 (10.0)	9 (6.2)
	Unknown/declined	9 (2.6)	6 (3.0)	3 (2.1)
Comorbidities, n (%)
	Obesity	73 (23.4)	49 (24.5)	24 (21.4)	.64
	Diabetes mellitus	149 (43.2)	86 (43.0)	63 (43.4)	>.99
	Hypertension	259 (75.1)	149 (74.5)	110 (75.9)	.87
	Chronic kidney disease	50 (14.5)	25 (12.5)	25 (17.2)	.28
	Chronic obstructive pulmonary disease	95 (27.5)	55 (27.5)	40 (27.6)	>.99
	Chronic respiratory disease	113 (32.8)	68 (34.0)	45 (31.0)	.64
	Immunosuppressed	38 (11.0)	20 (10.0)	18 (12.4)	.59
Charlson Comorbidity Index, median (IQR)		6.00 (4.00-8.00)	5.00 (3.00-8.00)	6.00 (4.00-8.00)	.22
Presentation vital signs, median (IQR)
	Heart rate (beats per minute)	89.00 (78.00-102.00)	89.50 (77.00-103.00)	89.00 (79.00-100.00)	.58
	Systolic blood pressure (mmHg)	131.00 (119.00-147.00)	131.50 (118.75-146.25)	130.00 (121.00-147.00)	.98
	Diastolic blood pressure (mmHg)	74.00 (67.00-83.00)	74.00 (67.00-83.00)	75.00 (66.00-82.00)	.44
	Temperature (°C)	37.00 (36.70-37.60)	36.90 (36.70-37.42)	37.10 (36.70-37.70)	.04
	Oxygen saturation (%)	96.00 (92.00-98.00)	96.00 (92.00-98.00)	96.00 (93.00-97.00)	.48