Skip to main content

Table 2 Median (IQR) arginine and ornithine plasma concentrations over time from blood stored at room temperature compared with stored on ice

From: Ex-vivo changes in amino acid concentrations from blood stored at room temperature or on ice: implications for arginine and taurine measurements

 

Baseline

30 minutes

2 hours

4 hours

8 hours

24 hours

Arginine RT a

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

  1. a. RT = Room Temperature