Table 2: Univariate and multivariate analyses according to overall survival.

VariableOverall survival (median, months) HR (95% CI)P

Age (years)1.2 0.303
 Age < 49260.301(0.8–1.9)
 Age 4926

Tumor stage<0.001
 1-238<0.0012.7 (1.7–4.4)
 3-417

Nodes0.091
 Negative380.2760.6 (0.4–1.1)
 Positive24

Grade0.083
 1-2390.0041.5 (0.9–2.2)
 320

Hormone receptor0.003
 Positive37<0.0010.2 (0.1–0.6)
 Negative18

HER20.015
 Positive260.8240.3 (0.1–0.8)
 Negative24

Triple-negative0.072
 Positive150.0050.4 (0.1–1.1)
 Negative31

Metastatic site0.047
 Single380.0181.6 (1.0–2.4)
 Multiple24

Type of metastases0.042
 Nonvisceral380.0191.6 (1.0–2.5)
 Visceral23

Overweight or obesity at recurrence0.680
 Yes310.3100.9 (0.6–1.4)
 No23

Diabetes at recurrence0.709
 No260.2270.9 (0.4–1.9)
 Yes18

Mean glucose >1300.034
 No270.0232.8 (1.1–7.3)
 Yes12

HR: Hazard ratio.