Table 6

Reporting in guidelines of trials and systematic reviews of salt reduction

Reference
Year
CMA 1999
WHO 1999
VHA 1999
SIGN 2001
ESH 2003
ICSI 2003
JNC 2003
SA 2003
BHS 2004
NICE 2004

Randomised Controlled Trials
Silman [35]
1983
Y







SR[36]
Y
Fagerberg [37]
1985
SR[38]


SR[38]




SR[38]
Y
Chalmers [39]
1986
SR[38]
SR[40]

SR[38]




SR[38]
Y
Chalmers [41,42]
1989




SR[40]




Y
TOHPI
1992


Y






Y(ex)
Jula [43]
1994
SR[38]


SR[38]




SR[38]
Y
Whelton [44]
1998



Y




Y
Y(ex)
Appel [45]
2001





Y



Y(ex)
Sacks [46]
2001






Y
Y

Y(ex)
Systematic Reviews
Law [47]
1991


Y


Y



Y
Midgely [38]
1996
Y


Y




Y
Y
Cutler [40]
1997

Y


Y




Y
Hooper [36]
2002








Y
Y
Grade of recommendation


B

I
A
-
-
-
-
A
B[34]

Y Trial cited by guideline

SR Trial included in systematic review cited by guideline

Y(ex) Trial cited by guideline but excluded from meta-analysis

Campbell et al. BMC Health Services Research 2006 6:47   doi:10.1186/1472-6963-6-47