Table 2

Direct Subgroup Analyses

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)
--
--

Crumley et al. BMC Medical Research Methodology 2005 5:24   doi:10.1186/1471-2288-5-24