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Table 1 Participant characteristics. Characteristics are displayed at baseline (prior to fluid bolus) and then compared between fluid responders (FRs) and non-responders (NRs). Data expressed in means and standard deviations. BMI: body mass index, MAP: mean arterial pressure, SBP: systolic blood pressure, DBP: diastolic blood pressure

From: Emergency department non-invasive cardiac output study (EDNICO): an accuracy study

  All participants
(n = 33)
Fluid non-responders
(n = 13)
Fluid responders
(n = 20)
p value
Age 48.4 (21.8) 45.5 (24.1) 50.2 (20.6) 0.55
Sex (F:M) 16:17 11:9 5:8 0.35
BMI 25.7 (6.4) 25.2 (7.2) 26 (5.9) 0.73
MAP 91.3 (16.7) 94 (16.3) 89 (16.9) 0.33
SBP 126.3 (23.9) 132.7 (22.2) 122.1 (24.5) 0.22
DBP 69.36 (16.7) 74 (17.8) 66.3 (15.6) 0.20
Heart rate 93.5 (20.7) 97.6 (17.8) 90.9 (22.4) 0.37
Lactate 6 (11.1) 7.0 (14.8) 5.1 (6.8) 0.71
Fluid bolus (FB) 472.7 (83) 461.5 (86.9) 480 (81.7) 0.54
Duration of FB 11.5 (2) 11.9 (2.5) 11.2 (1.6) 0.36