Table 5. Study parameters in patients with malignant vs. non-malignant mucinous cysts.

Parameters	Malignant mucinous cysts (surgical pathology or cytology)	Non-malignant mucinous cysts (surgical pathology)	P
Number (n)	56	83
Mean age (range), years	73.1 (44 – 91)	62.3 (20 – 89)	P = 0.002
Gender, male/female	20/36	24/59	P = 0.6
KRAS (+), %	73.2	37.3	P = 0.001
CEA (median, mg/dL)	921 (4.5 – 168.140)	491 (0.3 – 48.378)	P = 0.04
CEA > 192 mg/dl, (%)	78.5	57.8	P = 0.02
KRAS (+) or CEA ↑ (%)	91	69.8	P = 0.01
Amylase > 250 mg/dL, (%)	29.8	59.4	P = 0.01