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. 2019 Feb;106:108–120. doi: 10.1016/j.jclinepi.2018.10.004

Table 3.

Average number of patients eligible and approached per site per month in the preintervention and postintervention period for each RCT and for all RCTs combined

Number of site mo Number of E&A patients Average number of E&A patients (per site per mo)
All RCTs combined
 Preintervention period 453 783 1.7
 Postintervention period 900 1,160 1.3
RCT 1
 Preintervention period 4 40 10
 Postintervention period 33 304 9.2
RCT 2a
 Preintervention period 9 55 6.1
 Postintervention period 3 19 6.3
RCT 3
 Preintervention period 265 382 1.4
 Postintervention period 227 363 1.6
RCT 4
 Preintervention period 157 230 1.5
 Postintervention period 626 396 0.6
RCT 5
 Preintervention period 18 76 4.2
 Postintervention period 11 78 7.1

Abbreviations: RCT, Randomized controlled trial; E&A, eligible and approached.

a

Site data available from one of the 2 recruiting sites.

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