Table 1

Patient characteristics of the 930 patients represented on the tissue microarrays

n% of total casesa
Tumor size
 <2 cm11213
 2–5 cm62071
 >5 cm14617
 Unknown/missing52
Involved nodes
 None (-ve node)22929
 (1–3)31740
 4 or more21727
 Positive (unknown #)304
 Unknown/missing137
Clinical stage
 I17625
 II42059
 III11616
 Incomplete218
ERb status (IHC)
 Negative (0)39150
 Positive (1–2)39150
 Excluded148
IGF-IR IHC
 Negative9213
 Positive61587
 Excluded223
uPA IHC
 Negative33545
 Positive40855
 Excluded187
  • a The percentage was calculated only for the total number of known cases.

  • b ER, estrogen receptor; IHC, immunohistochemistry; IGF-IR, insulin-like growth factor I receptor; uPA, urokinase plasminogen activator.