TABLE 2.

Characteristics of the phenotypic groups.

Characteristics	Complicated (62)	Uncomplicated (63)
Age (Mean, SD)	57.5, 10.8	54.9, 12
Race (Black, W, NA)	47, 51, 6	35, 57,8
Chest imaging available	69.3	42.9
Stages 0–II	0	38.1
Stages III–IV	56.5	0
Lung fibrosis	30.6	0
Organ involvement
Neurological/cardiac	37.1	0
Other*	46.8	23.8
Absent chest imaging, positive neurological, cardiac or lung involvement reported	30.6	0
Absent chest imaging and no lung, cardiac or neurological involvement reported	0	58.7

Age is reported in mean ± standard deviation (SD). Numbers in the rest of the variables are reported as percentages. Race, W, White non-Hispanic; AA, African American; NA, Native American.

*Other organ involvement: eye, bone, joints, liver, kidney, or skin.