Table 4

Indirect Subgroup Analyses: Precision

Subgroups

MEDLINE vs. Handsearching

MEDLINE vs. MEDLINE + Handsearching

MEDLINE vs. Reference Standard


N

Median (Range)

N

Median (Range)

N

Median (Range)


Search Strategy

Cochrane

7

9 (0.03,76)

3

48 (13,49)

3

7 (1,7)

Complex

12

38 (22,78)

3

51 (13,59)

9

35 (3,91)

Simple

4

76 (68,99)

2

(40,83)

5

23 (1,65)

Author

Cochrane

7

9 (0.03,76)

3

48 (13,49)

3

7 (1,7)

Librarian

1

34

0

--

2

(53,72)

Non-librarian

15

50 (22,99)

5

51 (13,83)

12

29 (1,91)

Design

RCT

12

43 (22,79)

0

--

7

7 (1,91)

CCT

11

28 (0.03,99)

8

49 (13,83)

10

33 (7,72)


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

Open Data