Table 1.

Baseline Characteristics

	Overall Population	Invasive Oxygen Support	Noninvasive Oxygen Support
	N = 27	N = 21	N = 6
Age, median (years)	63	63	67
Range	37–89	37–89	41–81
25th–75th percentile	51–75	55–74	45–79
Male (%)	23 (85)	17 (81)	6 (100)
Race/Ethnicity (%)
White	18 (67)	13 (62)	5 (83)
Black	4 (15)	4 (19)	0 (0)
Hispanic	3 (11)	2 (10)	1 (17)
Asian	2 (7)	2 (10)	0 (0)
Smoker (%)
Never	24 (89)	18 (86)	6 (100)
Former	3 (11)	3 (14)	0 (0)
Current	0 (0)	0 (0)	0 (0)
Comorbid conditions (%)
Hypertension	12 (44)	7 (33)	5 (83)
Diabetes	3 (14)	3 (14)	0 (0)
Cardiovascular disease	7 (26)	6 (29)	1 (17)
Pulmonary disease	9 (33)	8 (38)	1 (17)
Malignancy	2 (7)	1 (5)	1 (17)
Vasopressor use (%)	17 (63)	17 (81)	0 (0)
Days in hospital before intubation, median (25th–75th percentile)	2 (0–3)	2 (0–3)	5
Days in hospital before tocilizumab administration, median (25th–75th percentile)	2 (1–3)	3 (2–3)	2 (1–2)