Value of virtual bronchoscopic navigation and transbronchial ultrasound-guided sheath-guided exploration in diagnosis of peripheral lung cancer

Table 2 Comparison of the diagnostic rates between different subgroups of the two groups

Group	Control (n = 101)	Observation (n = 101)	χ2	P value
Focus position
Upper left	24	23	0.015	0.901
Lower left	26	25	0.014	0.907
Upper right	21	21	0.002	0.965
Lower right	15	16	0.052	0.819
Lesion size			0.007	0.933
8-20 mm	39	38
21-30 mm	47	47
Probe position
Internal	51	52	0.063	0.802
External	2	2	0	0.991
Approaching	33	31	0.066	0.797
Total	86	85