Table 2 Association between 18F-fluorodeoxyglucose metabolism of breast cancer and other characteristics.

From: Association between tumor 18F-fluorodeoxyglucose metabolism and survival in women with estrogen receptor-positive, HER2-negative breast cancer

Characteristics

Maximum SUVa

P value

Age, years

20–50 vs. > 50

0.09 (− 0.59 to 0.77)

0.80

Tumor stage

T1–2 vs. T3–4

0.36 (− 0.29 to 1.01)

0.28

Clinical N stage

N0 vs. N1–3

1.03 (0.40 to 1.66)

0.001

Histologic grade

G1–2 vs. G3

3.19 (2.35 to 4.02)

 < 0.001

ER score (Allred)

3–6 vs. 7–8

 − 2.87 (− 3.71 to − 2.02)

 < 0.001

Progesterone receptor status

Negative vs. positive

 − 1.55 (− 2.32 to − 0.77)

 < 0.001

Ki-67 expression

 < 20% vs. ≥ 20%

1.63 (0.99 to 2.27)

 < 0.001

  1. aData represent the regression coefficients (95% confidence interval).