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Table 2 Re-identification rate and recovery rate for a small number of cells (2–25 cells)

From: KRAS mutation analysis of single circulating tumor cells from patients with metastatic colorectal cancer

n = 9

CellSearch® Count (cells)

ASONECell

Re-identification ratea (%)

Recovery rateb (%)

Count (cells)

Pick up (cells)

1

2

1

1

50%

50%

2

2

2

2

100%

100%

3

4

4

4

100%

100%

4

8

7

5

87.5%

62.5%

5

13

6

5

46.2%

38.5%

6

19

15

14

78.9%

73.7%

7

21

13

11

61.9%

52.4%

8

25

21

18

84%

72%

9

25

23

22

92%

88%

Average

13.2

9.7

9.1

77.8%

70.8%

  1. aRe-identification rate, the number of cells counted using CellSearch® divided by the number of cells re-counted using ASONECell Picking system
  2. bRecovery rate, the number of cells counted using CellSearch® divided by the number of cells picked up using ASONEcell Picking system