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Table 3 Partition points of the continuous factors Ki67, ER, PR, and age

From: Development and validation of an extended Cox prognostic model for patients with ER/PR+ and HER2− breast cancer: a retrospective cohort study

Prognostic factor

Partition points

n

Ki67 (%)

1, 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 60, 70, 80

14

ER (%)

10, 15, 20, 30, 40, 50, 60, 65, 70, 75, 80, 85, 90, 95, 98

15

PR (%)

5, 10, 15, 20, 25, 30, 40, 50, 60, 65, 70, 80, 85, 90, 95

15

Age (years)

37, 38, 39, … … , to 75, 77

40

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World Journal of Surgical Oncology

ISSN: 1477-7819

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