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 | Â | Â | Â | Â | Â | Â | Â | SR[36] | Y |
Fagerberg [37] | 1985 | SR[38] | Â | Â | SR[38] | Â | Â | Â | Â | SR[38] | Y |
Chalmers [39] | 1986 | SR[38] | SR[40] | Â | SR[38] | Â | Â | Â | Â | SR[38] | Y |
Chalmers [41,42] | 1989 | Â | Â | Â | Â | SR[40] | Â | Â | Â | Â | Y |
TOHPI | 1992 | Â | Â | Y | Â | Â | Â | Â | Â | Â | Y(ex) |
Jula [43] | 1994 | SR[38] | Â | Â | SR[38] | Â | Â | Â | Â | SR[38] | Y |
Whelton [44] | 1998 | Â | Â | Â | Y | Â | Â | Â | Â | Y | Y(ex) |
Appel [45] | 2001 | Â | Â | Â | Â | Â | Y | Â | Â | Â | Y(ex) |
Sacks [46] | 2001 | Â | Â | Â | Â | Â | Â | Y | Y | Â | Y(ex) |
Systematic Reviews | |||||||||||
Law [47] | 1991 | Â | Â | Y | Â | Â | Y | Â | Â | Â | Y |
Midgely [38] | 1996 | Y | Â | Â | Y | Â | Â | Â | Â | Y | Y |
Cutler [40] | 1997 | Â | Y | Â | Â | Y | Â | Â | Â | Â | Y |
Hooper [36] | 2002 | Â | Â | Â | Â | Â | Â | Â | Â | Y | Y |
Grade of recommendation | |||||||||||
 |  | B |  | I | A | - | - | - | - | A | B[34] |