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Table 7 Trial and recruitment characteristics that significantly affected dropout for included stroke rehabilitation RCTs

From: A systematic review of the efficiency of recruitment to stroke rehabilitation randomised controlled trials

   Trial feature Kruskal-Wallis P RCTs Subgrouping (medians)
Dropout Trial characteristic Publication date X2(1) = 10.73 0.001 414 2009 or before (3%)*
2010 or after (9%)
Trial size X2(4) = 25.38 < 0.001 414 21 or fewer (0%)*
22–34 participants (7%)
35–60 participants (8%)
61–99 participants (8%)
100 ore more (8%)
Recruitment characteristic Continent of recruitment X2(2) = 11.91 0.003 354 Europe (7%)
Asia (2%)
North America (8%)
Recruitment Strategy X2(2) = 6.09 0.048 205 Screening stroke survivors in the community (9%)
Screening admissions (8%)
Screening inpatients (3%)*
  1. * Least dropout
  2. Kruskal–Wallis = appropriate statistics for Kruskal–Wallis test, p = significance level, RCTs = number of RCTs contributing to this finding