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Table 3 UICC stages in correlation with preoperative CEA serum levels (median and mean) and rate of elevated CEA serum levels in patients with hilar cholangiocarcinoma.

From: Tumor markers as a diagnostic key for hilar cholangiocarcinoma

Variable N = N (elevated) = Median CEA levels(range)
[ng/ml]
Mean CEA levels ± standard deviation
[ng/ml]
UICC I 26 5 (19%) 1.7 (range:0-15.8) 2.9 ± 3.8
UICC II 64 24 (38%) 2.8 (range:0.9-37.3) 4.6 ± 6.5
UICC III 17 8 (47%) 3.5 (range:1.1-94) 18.1 ± 29.6
UICC IV 29 18 (62%) 5.3 (range:0-250) 22.7 ± 53.9
Total 136 55 (40%) 3 (range:0-250) 9.9 ± 27.8
  1. (Data are means ± standard deviations, median and range)