Table 4.

Potassium concentration in the coronary sinus.

	Hyperoxemia	Normoxemia	p-Value
3 min	6.88 ± 0.87 (n = 23)	6.30 ± 0.91 (n = 20)	0.03
8 min	5.87 ± 0.73 (n = 25)	5.43 ± 0.42 (n = 20)	0.02
18 min	5.10 ± 0.49 (n = 24)	5.02 ± 0.33 (n = 20)	0.47
33 min	4.80 ± 0.5 (n = 22)	4.82 ± 0.36 (n = 14)	0.93

SD = standard deviation; values in mmol/L. All data presented as mean +/− SD.