Table 4. Comparison of Planned vs Actual Enrollment Among 613 Randomized Controlled Trials Completed Without Meeting Target Enrollment.

Enrollment status	Median (IQR)
	Industry sponsored	Non–industry sponsored	Total
Planned enrollment, No.	207 (103 to 406)	116 (60 to 210)	120 (68 to 244)
Actual enrollment, No.	124 (53 to 253)	68 (36 to 140)	74 (37 to 159)
Difference, No.	−32 (−114 to −8)	−32 (−84 to −12)	−32 (−90 to −12)
Difference, %	−25.0 (−47.5 to −8.2)	−32.7 (−56.8 to −13.6)	−31.0 (−55.5 to −12.7)