Intensive Care Medicine Experimental

Table 1 Baseline characteristics of the included subjects

From: Continuous chest compressions are associated with higher peak inspiratory pressures when compared to 30:2 in an experimental cardiac arrest model

	CPR mode		p-value^a
	CCC (n = 8)	30:2 (n = 8)	p-value^a
Female sex (N)	5	2	0.315
Weight (kg), median (IQR)	32.9 (29.0–35.5)	33.1 (32.0–38.0)	0.505
Vti (ml), median (IQR)^a	278.5 (250.3–322.5)	295.5 (252.3–309.8)	0.721
PiP (cmH₂O), median (IQR)^a	20.5 (19.3–22.0)	19.5 (19.0–21.0)	0.442
EtCO₂ (mmHg), median (IQR)^a	39.8 (36.0–43.5)	43.1 (37.9–44.1)	0.382
Temperature (°C), median (IQR)^a	38.0 (37.8–38.5)	38.3 (38.0–38.7)	0.573
HR (BPM), median (IQR)^b	100.0 (88.0–110.5)	95.0 (75.0–104.3)	0.414
MAP (mmHg), median (IQR)^b	91.7 (75.5–103.3)	81.8 (71.5–95.2)	0.414
CVP (mmHg), median (IQR)^b	7.0 (1.8–9.3)	3.0 (1.0–7.0)	0.282
SpO₂ (%), median (IQR)^a	100.0 (99.3–100.0)	100.0 (98.5–100.0)	1.000
PaO₂ (mmHg), median (IQR)^a	181.9 (157.7–202.5)	183.8 (162.9–202.5)	0.798
PaCO₂ (mmHg), median (IQR)^a	38.0 (37.2–39.3)	40.9 (37.4–43.9)	0.279
Lactate (mmol/l), median (IQR)^a	1.2 (1.0–1.3)	1.2 (0.8–2.3)	0.645
pH median (IQR)^a	7.5 (7.5–7.5)	7.5 (7.4–7.5)	0.161

IQR interquartile range, Vti inspiratory tidal volume, PIP peak inspiratory pressure, EtCO₂ end tidal carbon dioxide, HR heart rate, MAP mean arterial pressure, CVP central venous pressure, SpO₂ peripheral oxygen saturation, PaO₂ partial pressure of oxygen, PaCO₂ partial pressure of carbon dioxide
^aLast recorded value before the start of the experiment
^bMean value of the 5 min directly preceding the start of the experiment

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