Table 5

Results of quality assessment of accepted trials

Article

DS

Selection bias

Detection/Performance bias

Attrition bias

Trial outcome


Randomisation

Baseline data

Blinding/Masking

Loss-to-follow up

Run-in phase


Welbury et al., 1991 [20]

01

0

0

0

A

A

A

Östlund et al., 1992 [21]

02

0

0

0

B

A

A

Taifour et al., 2002 [22]

03

0

A

0

A

A

A

04

0

A

0

A

A

A

Mandari et al., 2003 [23]

05

0

0

0

B

A

A

Frencken et al., 2007 [24]

06

0

A

0

A

A

A

Daou et al., 2009 [25]

07

0

0

0

A

A

A

08

0

0

0

A

A

A

Mandari et al., 2001 [27]

09

0

0

0

B

A

A

Yu et al., 2004 [28]

10

0

0

0

A

A

A

11

0

0

0

A

A

A

Svanberg, 1992 [29]

12

0

0

0

A

A

A

13

0

0

0

A

A

0

Qvist et al., 1997 [26]

14

0

0

0

B

A

A

15

0

0

0

A

A

0

16

0

0

0

A

A

0

17

0

0

0

A

A

0


DS = Dataset number.

Mickenautsch and Yengopal BMC Research Notes 2011 4:58   doi:10.1186/1756-0500-4-58

Open Data