Table 2 Univariable analysis of patient characteristics and FRα H-score with invasive disease-free survival and overall survival.

From: Folate receptor alpha expression associates with improved disease-free survival in triple negative breast cancer patients

 

IDFS

OS

 

HR (95% CI)

P-value

HR (95% CI)

P-value

Age

 <45.0

1.0 (ref)

 

1.0 (ref)

 

 45.0–54.3

0.85 (0.54–1.32)

0.46

0.83 (0.48–1.41)

0.483

 54.4–65.7

0.92 (0.58–1.46)

0.72

1.52 (0.93–2.49)

0.091

 65.8–88.4

1.44 (0.92–2.26)

0.11

3.01 (1.92–4.70)

<0.001

Menopausal status

 Pre/peri

1.0 (ref)

 

1.0 (ref)

 

 Post

1.31 (0.94–1.81)

0.11

2.37 (1.66–3.38)

<0.001

Tumor size

 T1 (0.1–2.0 cm)

1.0 (ref)

 

1.0 (ref)

 

 T2 (2.1–5.0 cm)

0.94 (0.68–1.32)

0.73

1.11 (0.80–1.55)

0.53

 T3/4 (5.1+ cm)

1.7 (0.94–3.06)

0.08

1.95 (1.10–3.46)

0.02

Nodal status

 N0

1.0 (ref)

 

1.0 (ref)

 

 N1

1.36 (0.92–2.02)

0.13

1.59 (1.06–2.40)

0.03

 N2

1.84 (1.1–3.06)

0.02

2.64 (1.63–4.28)

<0.0001

 N3

3.44 (2–6.27)

<0.0001

3.59 (2.12–6.09)

<0.0001

 NX

3.58 (0.88–14.60)

0.08

6.96 (2.53–19.20)

0.0002

Histology

 Invasive carcinoma NST

1.0 (ref)

 

1.0 (ref)

 

 Metaplastic carcinoma NST

0.96 (0.53–1.74)

0.88

0.63 (0.30–1.28)

0.20

 Ca. with apocrine differentiation

1.15 (0.64–2.05)

0.64

1.11 (0.64–1.94)

0.71

 Ca. with medullary features

0.60 (0.38–0.96)

0.03

0.60 (0.38–1.28)

0.03

Nottingham grade

 1

1.0 (ref)

 

1.0 (ref)

 

 2

0.49 (0.11–2.14)

0.34

0.568 (0.13–2.49)

0.45

 3

0.32 (0.08–1.32)

0.12

0.398 (0.10–1.61)

0.2

Ki-67 grouping

 ≤15%

1.0 (ref)

 

1.0 (ref)

 

 15.1–30%

0.76 (0.44–1.33)

0.34

0.56 (0.32–1.00)

0.05

 >30%

1.06 (0.71–1.60)

0.77

0.84 (0.57–1.24)

0.38

Stromal TILs (per 10% increment)

0.88 (0.81–0.95)

0.002

0.88 (0.81–0.95)

0.001

FRα H-score

 0

1.0 (ref)

 

1.0 (ref)

 

 0.25–52.5

0.55 (0.35–0.88)

0.01

0.59 (0.37–0.93)

0.02

 52.5–140

0.64 (0.41–1.00)

0.05

0.79 (0.51–1.21)

0.28

 140–300

0.84 (0.56–1.26)

0.4

0.901 (0.60–1.38)

0.65

FRα H-score

 ≤49.375 (median)

1.0 (ref)

 

1.0 (ref)

 

 >49.375 (median)

0.94 (0.69–1.30)

0.73

1.07 (0.78–1.47)

0.67

FRα H-score

 0

1.0 (ref)

 

1.0 (ref)

 

 >0

0.68 (0.49–0.94)

0.02

0.75 (0.54–1.06)

0.10

Surgery type

 Lumpectomy

1.0 (ref)

 

1.0 (ref)

 

 Mastectomy

1.06 (0.77–1.46)

0.72

1.35 (0.97–1.88)

0.07

Adjuvant chemotherapy

 No

1.0 (ref)

 

1.0 (ref)

 

 Yes

0.79 (0.56–1.10)

0.16

0.7 (0.49–0.99)

0.04

 Unknown

1.18 (0.51–2.74)

0.71

1.57 (0.96–2.59)

0.07

Adjuvant radiotherapy

 No

1.0 (ref)

 

1.0 (ref)

 

 Yes

0.94 (0.67–1.30)

0.7

0.73 (0.52–1.04)

0.08

 Unknown

1.06 (0.42–2.64)

0.91

1.5 (0.92–2.45)

0.1

  1. NST no special type, FRα folate receptor alpha.