Table 2.

Demographics.

	PiMM (N = 29)	PiSS (N = 19)	P-value
Age	46.4 ± 17.7	46.9 ± 15.5	.46
Race	28 White, 1 Native American	18 White	.76
Hispanic ethnicity	1 participant	1 participant
Sex	21 Female, 8 Male	15 Female, 4 Male	.61
Smoking history	13	9	.95
% Lung disease	37.9%	57.9%	.17
% Liver disease	13.8%	26.3%	.28

One control participant reported both White and Native American races which makes 1 participant in each group not white.