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Table 1 Univariate Analysis of Disease Free Survival – 368 Eligible Patients. In grey: Follow up (2011)

From: Impact of tumor heterogeneity on disease-free survival in a series of 368 patients treated for a breast cancer

Variable

No. of patients

P value

Age

 

Mean = 58.7 yr

 

0.400

Menopauses

 

Yes

237 (65%)

 
 

No

124 (34%)

 

Localization

 

Right breast

176 (47.8%)

 
 

Left breast

187 (50.8%)

 
 

Synchronous bilateral

5 (01.4%)

 

Tumor size

 

Mean = 25 mm

 

0.010

Surgery

 

Tumorectomy

212 (57.6%)

 
 

Mastectomy

141 (38.3%)

 
 

Biopsy

15 (04.1%)

 

Excision quality

 

Satisfying

202 (57.2%)

 
 

Unsatisfying

47 (13.3%)

 
 

Unspecified

104 (29.5%)

 

Histological type

 

ICC

297 (80.71%)

 
 

ILC

37 (10.05%)

 

SBR grade

 

Grade 1

50 (14%)

 
 

Grade 2

180 (49%)

0.002

 

Grade 3

137 (37%)

 

Mitotic index (/1.7mm²)

 

Mean = 10 mitosis

 

<0.0001

Tumor vascular emboli

 

Yes

293 (79.6%)

 
 

No

75 (20.4%)

 

Lymph node metastasis

 

Yes

153 (44%)

<0.0001

 

No

195 (56%)

 

Hormone receptor status (at least 1)

 

Yes

265 (73%)

0.030

 

No

98 (27%)

 

Visceral or lymph node (other than axillary) metastasis

 

Yes

136 (37%)

 
 

No

232 (63%)

 

Local recurrence

 

Yes

66 (18%)

 
 

No

302 (82%)

 

Oncological event (Metastasis and/or local recurrence)

 

Yes

157 (42.5%)

 
 

No

211 (57.5%)

 

Death

 

Yes

90 (24.46%)

 
 

No

278 (75.54%)