Table 3: Univariate analysis: statistically significant associations

Major responders Minor responders p value
CEA level <= 5 6 (80%) > 5 2 (20%) <= 5 1 (5%) > 5 20 (95%) 0.001
Differentiation Low grade 4 (31%)
High grade 9 (69%)
Low grade 29 (85%)
High grade 5 (15%)
0.001