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Table 2 Hazard ratios for metastasis from the multivariable Cox model

From: Oncological safety of autologous breast reconstruction after mastectomy for invasive breast cancer

 

Hazard Ratio

95% CI

p-value

ABR performed

0.82

[0.55–1.22]

0.3301

Age at mastectomy

1.00

[0.98–1.01]

0.5176

Tumour grade

2.56

[1.87–3.51]

<.0001*

Invasive tumour size (mm)

1.00

[1.00–1.01]

0.4547

Tumour type ILC

1.17

[0.75–1.82]

0.4920

Tumour type other

0.95

[0.54–1.65]

0.8505

LVI yes

1.66

[1.17–2.35]

0.0047*

LVI unknown

1.72

[1.21–2.44]

0.0026*

Lymph node status positive

2.13

[1.54–2.94]

<.0001*

ER/PR positive

0.62

[0.45–0.86]

0.0046*

Her-2 positive

0.77

[0.54–1.10]

0.1537

  1. Factors: HR > 1 (< 1) means higher (lower) risk for patients in the indicated category than reference. Covariates: HR > 1 (< 1) means higher (lower) risk with increasing values of the covariate
  2. ABR autologous breast reconstruction, CI confidence interval, LVI lymphovascular invasion, ILC invasive lobular carcinoma, ER oestrogen receptor, PR progesterone receptor, Her-2 Human epidermal growth factor receptor
  3. *denotes statistical significance (p < 0.05)