Table 4 Characteristics of interventional trials by funding sites, 2008–2019
From: Updated analysis of pediatric clinical studies registered in ClinicalTrials.gov, 2008–2019
Trials, No.(%) | χ2 | P value | ||
|---|---|---|---|---|
Single-site (n = 22,176) | Multisite (n = 9,726) | |||
Enrollment | 672.5 | < 0.001a | ||
1–100 | 13,709(63.6) | 4,606(48.0) | ||
101–1,000 | 6,554(30.4) | 4,153(43.2) | ||
>1,000 | 1,282(6.0) | 842(8.8) | ||
Primary purpose_Treatment | 482.9 | < 0.001 | ||
yes | 12,152(54.8) | 6,609(68.0) | ||
no | 10,024(45.2) | 3,117(32.0) | ||
Intervention_Drug | 1,276.9 | < 0.001 | ||
yes | 6,933(31.3) | 5,089(52.3) | ||
no | 15,243(68.7) | 4,637(47.7) | ||