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Table 2 CEA, CYFRA 21–1, SCC, sEGFR, EGF, TGF-α and HB-EGF serum marker concentrations

From: Pretreatment levels of the serum biomarkers CEA, CYFRA 21–1, SCC and the soluble EGFR and its ligands EGF, TGF-alpha, HB-EGF in the prediction of outcome in erlotinib treated non-small-cell lung cancer patients

Markers (units)

Sample ( N )

Median

Range

CEA (ng/mL)

35

12.2

0.6 – 10000.0

CYFRA 21–1 (ng/mL)

35

5.5

1.4 – 231.4

SCC (ng/mL)

35

0.9

0.3 – 18.1

sEGFR (ng/mL)

44

59.05

28.4 – 90.2

EGF (pg/mL)

45

757.4

47.4 – 2425.5

TGF-α (pg/mL)

40

18.4

0.01 – 233.2

HB-EGF (pg/mL)

24

157.6

51.3 – 1032.5