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Table 1 Characteristics of included RCT studies in the Cochrane meta-analysis of adverse mortality effects Aprotinin versus placebo.

From: The aprotinin saga and the risks of conducting meta-analyses on small randomised controlled trials – a critique of a Cochrane review

Reference, author

Adverse-mortality effects formulated as an outcome in the objective

Included patients [N] and design or power to analyse adverse mortality effects

N

Method and follow-up period for studying adverse mortality effects

Alvarez, 1995

No

100

No

Not specified

Bidstrup, 1989

No

80

No

Not specified

Bidstrup, 1993

No

90

No

Not specified, 7–12 days

Blauhut, 1994

No

43

No

Not specified

Casas, 1995

No

149

No

Not specified

Cosgrove, 1992

No

169

No

Not specified

D'Ambra, 1996

Yes

212

No

Yes, hospitalisation

Dietrich, 1992

Yes, but no RCT

1784

Yes

Yes, hospitalization

Dietrich, 1995

No

30

No

Not stated, at least 41 days

Ehrlich, 1998

No

50

No

Not stated, at least 30 days

Garcia-Huete, 1997

No

80

No

Not stated, at least 30 days

Green, 1995

Yes

84

No

Yes, 3 months after discharge.

Hardy, 1993

No

41

No

Not specified

Hayashida, 1997

Yes

167

No

Not stated, at least 12 days

Jamieson, 1997

No

91

No

Not specified

Lab, 1995

No

110

No

Yes, hospitalisation

Lemmer, 1996

Yes

704

No

Not stated

Lemmer, 1994

Yes

216

No

Yes, 30 days mortality

Levy, 1995

Yes

287

No

Not specified

Liu, 1993

No

40

No

Not specified

Maccario, 1994 [It]

No

99

No

Not stated

Mohr, 1992

No

50

No

Not specified

Okita, 1996

No

112

No

Not specified

Rocha, 1994

No

109

No

Yes, first 10 days

Royston, 1987

No

22

No

Not specified

Stammers, 1997

No

20

No

Yes, hospitalisation

Swart, 1994

Yes

100

No

Yes, 7 days after surgery

Ashrat, 1997

No

38

No

Not stated

Alderman, 1998

No

870

No

Yes, hospitalisation

Bidstrup, 2000

No

60

No

Not specified, 15 days reported

Cohen, 1998

Yes, maybe

115

No

Not specified

Misfeld, 1998

No

42

No

Not specified, hospitalisation

Nuttall, 2000

No

168

No

Not specified, 24 hours

Schweizer, 2000

No

57

No

Not specified

Moran, 2000

No

42

No

Yes, 3 months

Murkin, 2000

No

298

No

Yes, 3 months

Alvarez, 2001

No

55

No

Not specified

Dignan, 2001

No

202

No

Not specified

Findlay, 2001

No

63

No

Yes, hospitalisation

Kyriss, 2001

No

38

No

Not specified

Golanski, 2000

No

54

No

Not specified

Palmer, 2003

No

100

No

Yes, 3 months

Englberger, 2002a

No

29

No

Yes, hospitalisation

Englberger, 2002b

No

47

No

Yes, hospitalisation

Kipfer, 2003

No

30

No

Not specified

Rodrigus, 1996

No

93

No

Not specified

Kuepper, 2003

No

120

No

Yes, 24 hours after surgery

Van der Linden, 2005

No

75

No

Probably 30 days

Kunt, 2005

No

86

No

Probably 1 day, operative deaths

Koster, 2004

No

200

No

Yes, during hospitalisation

Diprose, 2005

No

198

No

Not stated

Kuitunen, 2005

No

60

No

Not stated

  1. Footnote: The complete references can be found in the Cochrane review by Henry DA et al.[2].