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Table 1 UICC stages in correlation with CA19-9 serum levels (median and mean) and rate of elevated CA19-9 serum levels in patients with hilar cholangiocarcinoma.

From: Tumor markers as a diagnostic key for hilar cholangiocarcinoma

Variable N = N (elevated) = Median CA19-9 levels(range)
[U/ml]
Mean ± standard deviation CA19-9 levels
[U/ml]
UICC I 26 15 (58%) 70 (range: 0.8-2730) 253 ± 561
UICC II 64 51 (80%) 146 (range:0.3-8566) 742 ± 1572
UICC III 17 16 (94%) 255 (range:1-5879) 906 ± 1708
UICC IV 29 27 (93%) 428 (range:16-13500) 1707 ± 3053
Total 136 109 (80%) 173 (range:0.3-13500) 874 ± 1910
  1. (Data are means ± standard deviations, median and range)