Table 2

Median (IQR) arginine and ornithine plasma concentrations over time from blood stored at room temperature compared with stored on ice

Baseline

30 minutes

2 hours

4 hours

8 hours

24 hours


Arginine RTa

74.9

70.3

49.6

40.4

37.3

42.6


73.2-87.8

63.4-75.5

46.0-53.6

35.8-45.8

32.1-42.6

25.5-42.8


Arginine Ice

79.6

77.1

74.8

78.6

80.4

81.0


76.8-93.0

74.6-90.8

73.4-86.9

74.6-86.1

79.4-86.7

79.9-83.0


Ornithine RT

44.7

45.6

72.6

87.4

101.6

114.1


32.9-60.8

39.5-69.8

58.7-94.2

69.1-112.3

79.4-125.9

100.9-153.6


Ornithine Ice

38.6

31.6

39.2

40.5

36.3

43.1


29.4-57.3

38.3-59.2

30.2-60.0

30.5-61.9

32.8-61.5

36.2-68.1


a. RT = Room Temperature

Davis et al. BMC Clinical Pathology 2009 9:10   doi:10.1186/1472-6890-9-10

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