[Retracted] Apatinib plus Radiotherapy on the Expression of CEA and VEGF in Advanced Oligometastatic Non-Small-Cell Lung Cancer

Table 4

Comparison of survival rates (n, %).

	6-month	12-month	24-month
Control group (n = 32)	29 (90.63)	24 (75.00)	14 (43.75)
Study group (n = 32)	31 (96.88)	30 (93.75)	23 (71.68)
χ2	1.067	4.267	5.189
P	0.302	0.039	0.023