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. 2012 Apr 30;12:158. doi: 10.1186/1471-2407-12-158

Table 4.

Adjuvant chemotherapy and patient/tumour characteristics

  pT1a, pT1b total patients (N = 402) Patients treated with adjuvant chemotherapy (N = 127)*
Distribution by age
 
 
18–34
7/402 (1.7%)
6/7 (85.7%)
35–49
85/402 (21.1%)
46/85 (54.1%)
50–69
230/402 (57.2%)
67/230 (29.1%)
≥ 70
80/402 (19.9%)
8/80 (10.0%)
Menopausal status
 
 
Pre-
101/402 (25.1%)
52/101 (51.5%)
Post-
293/402 (72.8%)
72/293 (24.6%)
Unknown
8/402 (2.0%)
3/8 (37.5%)
Grading
 
 
G1
101/402 (25.1%)
9/101 (8.9%)
G2
221/402 (55.0%)
66/221 (29.8%)
G3
72/402 (17.9%)
49/72 (68.0%)
Unknown
8/402 (2.0%)
3/8 (37.5%)
Proliferation index (Ki-67/MB1)
 
 
0–18%
283/402 (70.6%)
55/283 (19.4%)
19–29%
52/402 (12.9%)
28/53 (52.8%)
≥ 30%
54/402 (13.4%)
41/54 (75.9%)
Unknown
13/402 (3.2%)
3/13 (23.0%)
ER status
 
 
ER positive (≥ 10%)
351 /402(87.3%)
82/351(23.6%)
ER negative (0–9%)
51/402(12.7%)
45/51 (88.2%)
Hormonal status*
 
 
ER and/or PgR positive
354 /402 (74.6%)
84/354 (24.0%)
ER and PgR negative
48/402 (25.4%)
43/48 (89.6%)
HER2 status**
 
 
Positive
49/402 (12.2%)
36/49 (73.5%)
Negative
344/402 (85.6%)
90/344 (26.2%)
Missing
9/402 (2.2%)
1/9 (11.1%)
pN status
 
 
pN0
319/402 (79.4%)
72/319 (22.6%)
pN1 (1–3)
74/402 (18.4%)
47/74 (63.5%)
pN2 (4–9)
6/402(1.5%)
5/6 (83.3%)
pN3 (≥ 10) 3/402 (0.7%) 3/3 (100%)

* cut off: 10%

** HER2 status positive if: IHC 3+; or IHC 2+ and amplified by FISH,SISH,CISH; or amplified by FISH,SISH,CISH