The dynamic monitoring of CEA in response to chemotherapy and prognosis of mCRC patients

BMC Cancer

Table 2 Comparison of median OS and PFS between four groups

	OS		PFS
	P value of interval comparison	Median OS (months)	P value of interval comparison	Median PFS (months)
Group A vs. B	0.022	Group A: 37.9	0.229	Group A: 13.7
Group B vs. C	0.086	Group B: 23.9	0.147	Group B: 9.2
Group C vs. D	0.482	Group C: 23.5	0.429	Group C: 5.8
Group D vs. E	0.492	Group D: 16.6	0.723	Group D: 4.7
Group A vs. C	0.001		0.062
Group B vs. D	0.013		0.164
Group C vs. E	0.987	Group E: 15.3	0.758	Group E: 6.9
Group A vs. D	0.001		0.011
Group B vs. E	0.021		0.179
Group A vs. E	< 0.001		0.003

NOTE: Bold P-values showed statistical significance at 0.05 level
A group: patients with fast CEA decrease and slow increase CEA, B group: patients with slow CEA decrease and slow CEA increase, C group: patients with continually slow CEA increase, D group: patients with continually fast CEA increase, E group: patients with fast CEA decrease and fast CEA increase

ISSN: 1471-2407