Table 1.

Characteristics of the matched trials, stratified by funder.

Trial Characteristics	Funder
	NHLBI (n = 77)		NCI (n = 77)		Significance
	n	%	n	%
Sample size
1–1000	45	58	44	57	p = 0.301
1001–2000	15	19	23	30
2001–3000	8	10	4	5
>3001	9	12	6	8
Total Costs
<1,000,000	52	68	38	49	p = 0.072
≥1,000,000	13	17	19	25
Cost data not available	12	16	20	26
Study type
Observational	36	47	24	31	p = 0.073
Interventional	41	53	53	69

Characteristics of trials stratified by funder

¹X2 = 3.63

²X2 = 5.30

³Fisher’s exact test value = 0.07.