Table 1 Relationships between nuclear KIFC1 weighted index (nKIFC1 WI) and patient and clinicopathological factors.

From: Multi-institutional study of nuclear KIFC1 as a biomarker of poor prognosis in African American women with triple-negative breast cancer

Categorical Variable

Level

N

nKIFC1 WI Mean Rank

p-value

Nottingham Grade

White

1

3

17.17

<0.001

2

25

41.36

3

99

71.14

AA

1

2

78.50

0.21

2

24

65.46

3

135

83.80

AJCC Stage

White

I/II

115

62.50

1.00

III/IV

9

62.44

AA

I/II

109

75.30

0.02

III/IV

52

92.94

Lymph Nodes

White

Negative

95

61.86

0.82

Positive

27

60.22

AA

Negative

96

75.31

0.11

Positive

63

87.14

Continuous Variable

N

Correlation with nKIFC1 WI (ρ)

p-Value

Tumor size

White

127

0.15

0.09

AA

161

0.13

0.09

Age at diagnosis

White

144

−0.10

0.25

AA

161

−0.08

0.33

  1. Race was self-reported. AA = African American.