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Table 2 Mean absolute difference (95% CI) between invasive- and non-invasive blood pressure

From: Diagnostic accuracy of pre-hospital invasive arterial blood pressure monitoring for haemodynamic management in traumatic brain injury and spontaneous intracranial haemorrhage

Blood Pressure Measurement

Mean absolute difference (95% CI)

 

Overall

(n=209)

TBI

(n=159)

sICH

(n=50)

Abs (MAP – iMAP)

16.0 (14.7–17.4)

15.1 (11.7–18.5)

17.4 (13.9–21.0)

Abs (SBP – iSBP)

21.6 (20.2–22.9)

23.0 (18.6–27.5)

22.8 (19.1–26.5)

Abs (DBP – iDBP)

18.7 (17.2–20.2)

16.2 (9.3–23.1)

19.2 (15.5–22.9)

  1. Abs mean absolute difference; MAP mean arterial pressure; iMAP invasive mean arterial pressure; SBP systolic blood pressure; iSBP invasive systolic blood pressure; DBP diastolic blood pressure; iDBP invasive diastolic blood pressure; TBI traumatic brain injury; sICH spontaneous intracranial haemorrhage
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Scandinavian Journal of Trauma, Resuscitation and Emergency Medicine

ISSN: 1757-7241