Table 1.

Participant characteristics

Participant ID	Age1	Sex	Race	Ethnicity	Days from symptom onset	FLU-PRO2	Supp. O23
Mild-ambulatory
M1	60	F	White	Non-Hispanic	63	0.38	none
M2	50	F	Hawaiian/Pacific Islander	Non-Hispanic	68	0.28	none
M3	60	F	White	Hispanic	59	0.19	none
M4	70	F	White	Non-Hispanic	64	0.06	none
M5	60	M	White	Non-Hispanic	46	0	none
M6	40	M	Black	Non-Hispanic	61	0.03	none
M7	30	M	American Indian/Alaska Native	Non-Hispanic	45	0.09	none
median	60				61	0.09
Severe-hospitalized
S1	70	F	Black	Non-Hispanic	90	n/a	4LNC
S2	50	M	Black	Non-Hispanic	104	n/a	HFNC
S3	60	M	White	Non-Hispanic	48	n/a	Intubated
S4	50	M	Other	Non-Hispanic	46	n/a	2LNC
S5	80	F	Black	Non-Hispanic	39	n/a	Intubated
S6	50	M	Black	Non-Hispanic	42	n/a	HFNC
S7	70	M	Other	Non-Hispanic	41	n/a	Intubated
median	60				46

¹Age rounded to nearest 10 to avoid identifying participants.

²Peak FLU-PRO score.

³Maximum oxygen support required. 4LNC, 4 liters via nasal cannula; HFNC, high flow oxygen via nasal cannula; intubated, requiring mechanical ventilation; 2LNC, 2 liters via nasal cannula.