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Table 3 Microarray Coverage of UHRR, UMRR and URRR.

From: Universal Reference RNA as a standard for microarray experiments

Array platform

Array used for analysis

Spots number

Spots with intensity value above zero %

Spots with intensity value above 1x background %

Spots with intensity value above 2x background %

UHRR

     

NCI, NIH

3

7,600

99.9

99

97

NCI, NIH

6

10,000

99.9

98

82

Agilent

4

12,000

99.9

92

68

Stanford University

6

41,000

99.9

86

63

Stanford University

11

43,000

99.9

85

60

UMRR

     

NCI, NIH

3

8,700

99.9

97

93

University of North Carolina

4

7,500

99.9

97

85

Agilent

4

8,500

98

87

70

URRR

     

NCI, NIH

2

6.500

98

81

62

Agilent

8

14,500

99.7

86

72