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Biases and limits of agreement between blood pressure measurement techniques for each level of blood pressure: effect of BMI. Parenthesis indicate upper and lower limits of agreement |
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| Arterial blood pressure |
BMI <30 kg/m2 (n = 24) |
BMI >30 kg/m2 (n = 30) |
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| Systolic (mmHg) |
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| Auscultatory |
-16.0 ± 8.1 (+61.8 to -93.8) |
0.1 ± 3.8 (+40.8 to -40.7) |
| Oscillometric |
-16.7 ± 7.3 (+53.0 to -86.4) |
-13.3 ± 3.4 (+23.1 to -49.6) |
| Diastolic (mmHg) |
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| Auscultatory |
10.0 ± 3.3 (+41.6 to -21.5) |
11.9 ± 2.9 (+43.7 to -20.0) |
| Oscillometric |
1.3 ± 2.3 (+23.4 to -20.9) |
-7.8 ± 2.9 (+24.2 to -39.8) |
| Mean (mmHg) |
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| Auscultatory |
3.7 ± 4.7 (+48.7 to -44.4) |
11.2 ± 3.0 (+43.7 to -21.2) |
| Oscillometric |
-2.3 ± 3.2 (+32.5 to -37.5) |
-12.3 ± 1.7 (+6.7 to -31.3) |
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Values are expressed as mean ± standard error. | ||
Araghi et al. Critical Care 2006 10:R64 doi:10.1186/cc4896 |
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