Table 1 Baseline characteristics of patients with oligometastatic breast cancer.

From: Factors determining survival in oligometastatic breast cancer in a retrospective cohort study from a low and middle income country

Variable

Proportion (frequency)

Age (in years)

50.42 (47.4, 53.4)

Menopausal status

 Premenopausal

26.92% (14)

 Peri/post-menopausal

73.08% (38)

 Size of lesion (cm)

7.02 (5.53, 8.50)

Clinical T stage

 Tis/T1

7.27% (4)

 T2

7.27% (4)

 T3

21.82% (12)

 T4

63.64% (35)

Clinical N stage

 N0/1

61.82% (34)

 N2

34.55% (19)

 N3

3.64% (2)

Number of metastatic sites

 1

86.8% (46)

 2

13.2% (7)

Tumor histology

 Non- IDC

12.96% (7)

 IDC

87.04% (47)

Tumor grade

 I (Low)

4.35% (2)

 II (Moderate)

47.83% (22)

 III (High)

47.83% (22)

ER/PR positive

65.45% (36)

HER2 enriched

29.09% (16)

Triple negative

19.23% (10)

Chemotherapy

69.1% (38)

Adjuvant chemotherapy

3.64% (2)

Adjuvant radiation

56.36% (31)

  1. Age and Size of lesion are represented as mean (95% CI). IDC = Invasive ductal carcinoma; ER/PR = estrogen receptor/progesterone receptor.
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