[Retracted] Analysis of Immunotherapy Combined with Radiotherapy in Patients with Brain Metastasis of Driver Gene-Negative Non-Small-Cell Lung Cancer

Table 2

Comparison of short-term curative effect between two groups (n, %).

Group	CR	PR	SD	PD	ORR	DCR
Single group (n = 85)	0 (0.00%)	32 (37.65%)	23 (27.06%)	30 (35.29%)	32 (37.65%)	55 (64.71%)
Combined group (n = 67)	3 (4.48%)	35 (52.24%)	16 (23.88%)	13 (19.40%)	38 (56.72%)	54 (80.60%)
χ ^2 value					5.484	4.664
value					0.019	0.031