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. Author manuscript; available in PMC: 2013 Dec 12.
Published in final edited form as: Int J Clin Oncol. 2011 May 25;17(1):10.1007/s10147-011-0253-z. doi: 10.1007/s10147-011-0253-z

Table 2.

Serum HER2 level in 196 samples from 52 patients by whether they received trastuzumab

Trastuzumab (n = 59)
No trastuzumab (n = 137)
Serum HER2 positive
Serum HER2 negative
P Serum HER2 positive
Serum HER2 negative
P
n % n % n % n %
CLIA 33 56 26 44 0.042 83 61 54 39 0.711
EIA 22 37 37 63 80 58 57 42

CLIA chemiluminescence immunoassay, EIA enzyme immunoassay