Table 3. Ratio of 13C5-adenosine production with and without CD73 inhibition, pre-operation and prior to separation from cardiopulmonary bypass.

	Pre-operative, mean [SD]	Rewarming, mean [SD]	Pre-operative to Rewarming Mean Difference (95% CI)	p-value
Entire Cohort	0.75 (0.09)	0.68 (0.08)	0.08 (0.05, 0.11)	<0.0001
Low Concentration 13C5-AMP	0.72 (0.10)	0.65 (0.09)	0.07 (0.03, 0.10)	<0.005
High Concentration 13C5-AMP	0.79 (0.07)	0.70 (0.07)	0.09 (0.04, 0.13)	<0.001