Table 2. Identification of prognostic factors.

				Definitive model
Case characteristic	Literaturea	Expert's	Univariate analysis	Multivariate analysis
Age	++	++	++	++
Lymph node status	++	++	−	−
Lymfovascular invasion	+	−	−	−
Multifocality	+	++	+	+
Adjuvant chemotherapy	++	+	++	++
Adjuvant radiotherapy	++	++	++	++
Hormonal therapy	++	++	++	++
Invasiveness	+	++	−	−
Margin status	++	++	−	−
Gradation	+	+	++	++
Tumour size	+	++	++	++
Ductal/lobular	+	−	−	−
Tumour type
Luminal A	+	+	+	−
Luminal B	+	+	−	−
Triple negative	+	+	+	+
Her2 positive	+	+	+	−

++ indicates strong prognostic value; + indicates prognostic value; − indicates no prognostic value.

^aReferences are listed in Supplementary Table II.