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Table 2

Comparison of GIRK1 expression to tumor characteristics usingχ2 statistical analysis

GIRK1 positivenχ2
LNM status
LNM 50% 26
No LNM 13% 30 0.0029a
Tumor size (cm)
≤2 26% 39
>2 41% 17 0.25
ER status
ER+ 29% 42
ER− 36% 14 0.61
Tumor grade
16% 12
35% 23
33% 21 0.26
GIRK1 positivenχ2
LNM status
LNM 50% 26
No LNM 13% 30 0.0029a
Tumor size (cm)
≤2 26% 39
>2 41% 17 0.25
ER status
ER+ 29% 42
ER− 36% 14 0.61
Tumor grade
16% 12
35% 23
33% 21 0.26
a

χ2 analysis for significance. A significant statistical correlation between GIRK1 expression and tumor characteristics was identified when the returned P was <0.05.

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