Table 1

Trial quality by decade of publication

Decade

Quality score

Total


1

2

3

4

5


1960s

2

2

1970s

5

3

1

9

1980s

1

11

5

7

2

26

1990s

5

3

8

2000s

1

1

2

Total

1

21

6

15

4

47


Moore et al. Arthritis Research & Therapy 2008 10:R7   doi:10.1186/ar2355

Open Data