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Table 1 Baseline characteristics of specimens

From: FGFR1 is amplified during the progression of in situto invasive breast carcinoma

Characteristic

n(%)

Pure DCIS

179

Age (years)

 

   Mean (range)

50 (26 to 82)

Grade

 

   Low

16 (8.9)

   Intermediate

85 (47.5)

   High

78 (43.6)

Invasive carcinomas

438

Age (years)

 

   Mean (range)

50 (21 to 87)

Stage

 

   I

143 (32.6)

   II

235 (53.7)

   III

55 (12.6)

   IV

5 (1.1)

Histologic subtype

 

   Invasive ductal carcinoma

397 (90.6)

   Invasive lobular carcinoma

14 (3.2)

   Mucinous carcinoma

12 (2.7)

   Metaplastic carcinoma

5 (1.1)

   Tubular carcinoma

3 (0.7)

   Others

7 (1.6)

Histologic grade

 

   Grade I

88 (20.1)

   Grade II

148 (33.8)

   Grade III

188 (42.9)

   Not determined

14 (3.2)

Grade of associated DCISa

 

   Low

10 (4.6)

   Intermediate

100 (46.3)

   High

106 (49.1)

  1. aFrom 216 ductal carcinoma in situ (DCIS) associated with invasive carcinoma.