Table 1.

Patients’ baseline characteristics.

Characteristic
Included patients with pos. CA 19-9	181
Patients with CA 19-9>37 U/ml at baseline	150
AGE (YEARS)
Median	64
Range	33–101
GENDER (n)
Female	66 (44%)
Male	84 (66%)
STAGE (n)
M0	31 (20.7%)
M1	119 (79.3%)
BASELINE CA 19-9 (U/ml)
Median	1,493
Arithmetic mean	23,488
Range	40–1,043,301
FIRST-LINE TREATMENT (n)
Gem	79 (52.7%)
Gem/folinic acid/5-FU	71 (47.3%)
OVERALL SURVIVAL (MONTHS)
Median	10.5
95% CI	9.1–11.9