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Table 2 Direct Subgroup Analyses

From: Which resources should be used to identify RCT/CCTs for systematic reviews: a systematic review

Study Recall (95% CI) Precision (95% CI)
Simple versus Complex
  Simple Complex Simple Complex
Adams[26] 1994 18 (15,21) 52 (48,56) 40 (35,46) 59 (55,63)
Bender[27] 1997 53 (47,58) 65 (59,70) -- 78 (73,83)
Dickerson[28] 1985a 18 (10,26) 29 (20,39) 65 (45,86) 72 (56,87)
Dickerson[28] 1985b 32 (15,50) 56 (38,74) 38 (19,57) 53 (35,70)
Fergusson[20] 2000 89 (81,97) 88 (80,96) 1 (1,1) 3 (2,4)
Marson[29] 1996 64 (55,73) 86 (80,93) 72 (63,81) 35 (29,40)
Simple versus Cochrane
  Simple Cochrane Simple Cochrane
Brand[30] 1998a 59 93 -- --
Brand[30] 1998b 88 97 -- --
Fergusson[20] 2000 89 (81,97) 89 (81,97) 1 (1,1) 7 (6,9)
McDonald[31] unpub a 62 (55,68) 76 (70,82) -- --
McDonald[31] unpub b 52 (43,61) 91 (86,96) -- --
Complex versus Cochrane
  Complex Cochrane Complex Cochrane
Fergusson[20] 2000 88 (80,96) 89 (81,97) 3 (2,4) 7 (6,9)
Author versus Librarian
  Author Librarian Author Librarian
Kirpalani[21] 1989 34 (20,48) 53 (38,67) -- --