Table IV.

Comparison of the surviving and deceased groups for preoperative and postoperative CEA/CA 19–9 levels

Outcome	Surviving Median (max.–min.)	Deceased Median (max.–min.)	Total Median (max.–min.)	P-value
CEA:
Preop = I	2.31 (152–0)	4.37 (100–1.0)	2.52 (152–0)	0.167
Postop = II	1.34 (67.9–0)	6.16 (63.5–0.4)	1.60 (67.9–0)	0.002
Difference (I–II)	0.46 (151.7–9.9)	1.33 (7.7–5.1)	0.5 (151.7–9.9)	0.637
P-value	0.022	0.576
CA 19–9:
Preop = I	8.46 (161.5–0)	10.415 (700–0)	8.46 (700–0)	0.977
Postop = II	9.26 (44.5–0)	12.08 (363–1.0)	9.84 (363.2–0)	0.131
Difference (I–II)	0.43 (137.3–21.5)	–0.88 (7.2 – –4.6)	0.24 (137.3–21.5)	0.667
P-value	0.720	0.805	0.829