Table 1 Frequencies of Ki-67 using different cut offs.

From: Ki-67 assessment in early breast cancer: SAKK28/12 validation study on the IBCSG VIII and IBCSG IX cohort

Cut-offs

Method A

(N=158)

Method C

(N=158)

Nr. of pat. with

Ki-67 ≤ cut-off

Nr. of pat. with

Ki-67> cut-off

Nr. of pat. with

Ki-67 ≤ cut-off

Nr. of pat. with

Ki-67> cut-off

10

57 (36%)

101 (64%)

81 (51%)

77 (49%)

14

69 (44%)

89 (56%)

81 (51%)

77 (49%)

20

91 (56%)

67 (42%)

120 (76%)

38 (24%)

30

114 (72%)

44 (28%)

146 (92%)

12 (8%)

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