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Table 1 Number of included reviews by year of publication

From: Systematic review of methods used in meta-analyses where a primary outcome is an adverse or unintended event

Year of publication

No. included reviews (%)1

Published in journal

Cochrane review

Other publication type

1994

4 (2.4)

4

0

0

1995

8 (4.8)

8

0

0

1996

9 (5.4)

9

0

0

1997

15 (9.0)

15

0

0

1998

16 (9.6)

16

0

0

1999

19 (11.4)

18

1

0

2000

11 (6.6)

11

0

0

2001

22 (13.3)

22

0

0

2002

21 (12.7)

17

2

2

2003

22 (13.3)

20

2

0

2004

13 (7.8)

10

3

0

2005

4 (2.4)

0

4

0

2006

2 (1.2)

0

2

0

  1. 1Out of 166 included reviews.