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Table 2 Global hemodynamic, tissue perfusion and iontophoresis parameters

From: Impaired skin microvascular endothelial reactivity in critically ill COVID-19 patients

Variables, n (%) or Median [IQR]

Non-COVID-19 bacterial pneumonia N = 11

COVID-19 N = 32

P value

Hemodynamic parameters

 Heart rate, bpm

97 [80–120]

84 [76–95]

0.15

 Systolic blood pressure, mmHg

132 [120–145]

128 [115–136]

0.87

 Diastolic blood pressure, mmHg

70 [62–94]

75 [68–81]

0.61

 Mean arterial pressure, mmHg

89 [83–107]

89 [84–96]

0.66

 Cardiac index, L/min/m2

2.8 [2.2–3.6]

2.9 [2.4–3.3]

0.90

Tissue perfusion parameters

 Core temperature, °C

37.5 [37–38.5]

37.1 [36.7–37.5]

0.09

 Skin temperature, °C

31.4 [29.8–32.2]

31.4 [29.9–32.2]

0.79

 Core-skin temperature gradient

6.3 [5.7–7.2]

5.7 [4.7–7.2]

0.39

Mottling score, n (%)

 0

8 (100)

23 (95.8)

1.00

 1

0 (0)

1 (4.2)

 

  > 1

0 (0)

0 (0)

 

Acetylcholine iontophoresis

 Baseline, perfusion units

10.4 [9.4–12.1]

7.9 [5.5–9.9]

0.02

 Area under the curve

14,280 [5038–19743]

3911 [1725–6318]

0.008