Table 3 p-ERK1/2-positive rate in CA19-9 false-negative patients with pancreatic cancer

From: Increased circulating cell signalling phosphoproteins in sera are useful for the detection of pancreatic cancer

 

CA19-9 false negative (%)

p-ERK1/2-positive in CA19-9 false negative (%)

Training set

6/26 (23.1)

6/6 (100.0)

Validation set 1

22/80 (27.5)

20/22 (90.9)

Validation set 2

11/35 (31.4)

8/11 (72.7)

Total

39/141 (27.7)

34/39 (87.2)

  1. Abbreviations: CA19-9=carbohydrate tumour-associated antigen 19-9; p-ERK1/2=phospho-extracellular signal-regulated kinases 1/2.
Back to article page