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Table 2 Participation rates

From: Increasing participation of cancer patients in randomised controlled trials: a systematic review

Study details Intervention Comparator
Angiolillo et al. (2004)[24] 77% 88%*
Coyne et al. (2003)[22] 75% 68%*
Donovan et al. (2003)[19] 67% 71%*
Donovan et al. (2002)[20] Baseline 30–40%
Intervetion 1 51%
Intervention 2 58%
Intervention 3 61%
Intervention 4 70%
No comparator
Fleissig et al. (2001)[21] 81% 74%*
Paskett et al. (2002)[23] Breast
1991 15% (n = 24);
1996 6% (n = 14)
Colorectal
1991** 4%
1996 5%
Breast
1991 6% (n = 6);
1996 50% (n = 16)
Colorectal
1991** 5%
1996 0%
  1. *only those studies with an asterisk assessed statistical significance, all of these were non significant.
  2. ** number of patients not available