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Table 6 Reporting in guidelines of trials and systematic reviews of salt reduction

From: Methods underpinning national clinical guidelines for hypertension: describing the evidence shortfall

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]

  1. Y Trial cited by guideline
  2. SR Trial included in systematic review cited by guideline
  3. Y(ex) Trial cited by guideline but excluded from meta-analysis
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BMC Health Services Research

ISSN: 1472-6963

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