Table 3.: Gene Expression RT-PCR in Lung Tissue Expressed as 2-ddCT Median (IQR) for Genes MMP2, MMP9, ICAM-1 and TNFα

Gene Vent. Time (s), C:V, oxygen 2-ddCT Median (IQR)
ICAM-1 30 s, 3:1, 21% 1.01 (0.87-1.09)
ICAM-1 60 s,3:1, 21% 0.82 (0.80-0.94) p=0.01
ICAM-1 90 s, 3:1, 21% 0.88 (0.84-1.25) p=0.98
ICAM-1 30s, 9:3, 21% 1.00 (0.85-1.13) p=0.81
ICAM-1 30s, 3:1, 100% 0.78 (0.72-1.08) p=0.86
TNFα 30 s, 3:1, 21% 0.88 (0.68-1.43)
TNFα 60 s,3:1, 21% 0.83 (0.62-1.32) p=0.88
TNFα 90 s, 3:1, 21% 0.85 (0.64-1.96) p=0.64
TNFα 30s, 9:3, 21% 1.38 (0.86-1.81) p=0.81
TNFα 30s, 3:1, 100% 0.98 (0.60-1.62) p=0.79
MMP2 30 s, 3:1, 21% 1.07 (0.85-1.44)
MMP2 60 s,3:1, 21% 0.83 (0.63-0.96) p=0.04
MMP2 90 s, 3:1, 21% 0.61 (0.60-0.96) p=0.02
MMP2 30s, 9:3, 21% 0.96 (0.83-1.15) p=0.76
MMP2 30s, 3:1, 100% 0.85 (0.66-1.02) p=0.85
MMP9 30 s, 3:1, 21% 1.32 (0.41-1.98)
MMP9 60 s,3:1, 21% 0.98 (0.76-1.31) p=0.75
MMP9 90 s, 3:1, 21% 1.82 (1.40-2.82) p=0.18
MMP9 30s, 9:3, 21% 1.90 (1.22-2.85) p=0.15
MMP9 30s, 3:1, 100% 1.28 (1.04-1.92) p=0.76

p-values for comparisons to the control group, i.e. current guidelines, 30s, 3:1 and 21% oxygen are given. C:V chest compressions:ventilations. 30s, 60s, 90s refer to time for initial positive pressure ventilation before C:V start.