Table 2

Assessment of study quality for studies included in meta-analysis

Study ID

Randomisation

Blinding

Outcome measure: Blood pressure

Loss of follow up

Funding source


Kandziora J 1988 (Study 1), [11]

+

++

Primary, Mean of 2 readings each standing + supine

Unclear

-

Auer et al. 1990, [12]

+

++

Primary, Mean standing + supine

Unclear

-

Vorberg & Schneider 1990, [13]

+

++

Primary, Mean standing + supine

G: 0%, C: 0%

-

Holzgartner et al. 1992, [14]

+

++

Secondary, Unclear

G: 4.8%; C: 4.8%; T: 4.8%

-

Kiesewetter et al. 1993, [15]

+

++

Primary, Riva Rocci method

G: 20%; C: 20%; T: 20%

-

Jain et al. 1993, [16]

+

++

Primary, Mean of 2 readings after 10 min rest; standard technique (JNC 1988)

Unclear

Industry grant

Saradeth et al. 1994, [17]

+

++

Primary, Riva Rocci method

G: 2.8%; C: 8.3%; T: 5.6%

-

Simons et al. 1995, [18]

+

++

Primary, Mean of 2 readings after 5 min rest, phase V diastolic BP

T: 9.7%

Industry grant

Steiner et al. 1996, [19] parallel arm

+

++

Primary, Unclear, manual

T: 21.2%

-

Adler & Holub 1997, [20]

+

++

Primary, Sitting digital

T: 8%

Heart & Stroke Foundation

Zhang et al. 2000, [21]

+

++

Primary, Over 10–30 min until repeated low values were obtained, means of 3 lowest pulse rates + associated BP values

G: 6.7%; C: 13.3%; T: 10%

Industry grant


+: adequate; ++: double blinding; -: not provided

Ried et al. BMC Cardiovascular Disorders 2008 8:13   doi:10.1186/1471-2261-8-13

Open Data