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Table 2 Transcriptional levels of four prognostic markers in the peripheral blood of patients with gastric cancer.

From: Survivin gene levels in the peripheral blood of patients with gastric cancer independently predict survival

Marker Above calibrator (%)* Below calibrator (%)* Undetectable (%)
Survivin 69 (98.6) 1 (1.4) 0 (0.0)
CK19 68 (97.1) 2 (2.9) 0 (0.0)
CEA 30 (42.9) 21 (30.0) 19 (27.1)
VEGF 27 (38.6) 43 (61.4) 0 (0.0)
  1. * Gene expression levels were measured by quantitative real time PCR: using the relative quantification method, samples were classified as above or below the levels found in the calibrator (pooled peripheral blood samples from healthy donors).