Oxygenation and ventilation during prolonged experimental cardiopulmonary resuscitation with either continuous or 30:2 compression-to-ventilation ratios together with 10 cmH20 positive end-expiratory pressure

Intensive Care Medicine Experimental

Table 1 Baseline characteristics of the intervention groups

Prearrest	30:2 CPR Median (IQR)	Continuous CPR Median (IQR)	p value
Weight	55 (45–59)	57 (50–58)	0.77
Heart rate (bpm)	122 (106–131)	113 (94–137)	0.94
FiO₂ (%)	21 (21–21)	21 (21–21)	0.52
Peak airway pressure (cmH₂O)	27 (25–28)	25 (23–28)	0.74
Tidal volume (ml)	380 (350–410)	420 (370–460)	0.23
Compliance (ml/cmH₂O)	30.1 (26.6–39.6)	35.0 (28.1–44.6)	0.60
pH	7.55 (7.53–7.56)	7.54 (7.53–7.56)	0.83

CPR cardiopulmonary resuscitation, IQR interquartile range, bpm beats per minute, FiO₂ fraction of inspired oxygen