Table 1

Biases and limits of agreement between blood pressure measurement techniques for each level of blood pressure

Arterial blood pressure
Mean bias
Upper limit of agreement
Lower limit of agreement

Systolic blood pressure (mmHg)
     Auscultatory
-6.7 ± 4.3
55.1
-68.5
     Oscillometric
-15.2 ± 3.7
37.7
-68.2
Diastolic blood pressure (mmHg)
     Auscultatory
11.4 ± 2.3
44.8
-22.1
     Oscillometric
-3.7 ± 2.0
25.5
-33.0
Mean blood pressure (mmHg)
     Auscultatory
7.9 ± 2.7
47.6
-31.6
     Oscillometric
-4.6 ± 2.5
31.1
-40.3

Values are expressed as mean ± standard error.

Araghi et al. Critical Care 2006 10:R64   doi:10.1186/cc4896