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Table 1 The clinical variables in the METABRIC dataset

From: Discovering causal interactions using Bayesian network scoring and information gain

Variable

Description

Values

age_at_diagnosis

age at diagnosis of the disease

0-39, 39–54, 54–69, 69–84, 84-100

menopausal_status

inferred menopausal status

pre, post

size

size of tumor in cm

0-20, 20–50, 50-180

lymph_nodes_positive

number of positive lymph nodes

0, 1, 2–3, 4–5, 6–9. ≥ 10

lymph_nodes_removed

number of lymph nodes removed

0, 1–3, 4–9, 10–20, ≥ 21

percent_nodes_positive

percent of removed nodes positive

0-0.2, 0.2-0.4, 0.4-0.6, 0.6-0.8, 0.8-1

grade

grade of disease

1, 2, 3

stage

composite of size and # positive nodes

0,1,2,3,4

histological

tumor histology

IDC, Other

ER_Expr

estrogen receptor expression

+, −

PR_Expr

progesterone receptor expression

+, −

HER2_status

HER2 expression

+, −

P53_mutation_status

whether P53 is mutated

+, −

chemo

whether patient had chemotherapy

yes, no

radiation

whether patient had radiation therapy

yes, no

hormone

whether patient had hormone therapy

yes, no