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Table 5 Trial and recruitment characteristics that significantly affected randomisation rate 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 (median)   
Randomisation rate Trial characteristic Stroke survivor living context X2(3) = 10.11 0.018 239   Community (48%)*   
General hospital (38%)
Stroke-specific environment (27%)
Stage of rehabilitation X2(5) = 16.64 0.002 292   Acute (23%)   
Acute–subacute (25%)
Subacute (29%)
Subacute–chronic (26%)
Chronic (48%)*
Recruitment characteristic Recruitment strategy X2(2) = 10.34 0.006 167   Screening stroke survivors in the community (49%)*   
Screening admissions (22%)
Screening inpatients (35%)
Number of recruiters X2(2) = 6.06 0.048 133   Single recruiter (29%)   
Two or three recruiters (40%)*
Four or more recruiters (21%)
  1. * Best recruitment condition
  2. Kruskal–Wallis = appropriate statistics for Kruskal–Wallis test, p = significance level, RCTs = number of RCTs contributing to this finding, X2 = chi squared test