Table 1.

Subject disposition and demographics

	HV	CHF	COPD	Total
No. of subjects	14	2	2	18
Planned, N	14	14	14	42
Entered, N	14	2	2	18
Completed, n (%)	13 (93%)	1 (50%)	0	14 (78%)
Total no. of subjects withdrawn, N (%)	1 (7%)	1 (50%)	2 (100%)	4 (22%)
Adverse events, n (%)	0	1 (50%)	0	1 (6%)
Other reasons, n (%)	1	0	2	3 (17%)
Demographics
Females:males	4:10	0:2	0:2	4:14
Mean age, yr (SD)	74.4 (4.83)	75.0 (1.41)	64.5 (9.19)	73.3 (5.77)
Ethnicity, n (%)
African heritage	2 (14%)	0	0	2 (11%)
White	12 (86%)	2 (100%)	2 (100%)	16 (89%)

HV, healthy volunteer; CHF, congestive heart failure; COPD, chronic obstructive pulmonary disease; N, total group size; n, number of subjects who provided data used to calculate mean; SD, standard deviation.