Table 5. Multivariate analysis factors affecting navigation time.

Parameters	Type III sums of squares	Mean square	F value	P value
Age	32.89	32.89	1.15	0.29
Sex	0.03	0.03	0.00	0.97
Dose of methylene blue	45.26	22.63	0.79	0.46
Nodule location	604.20	201.40	7.05	0.001
Nodule size	47.65	47.65	1.67	0.20
Location mode	206.47	103.23	3.61	0.04
Distance from pleura	9.17	9.17	0.32	0.57
Breath	25.60	25.60	0.90	0.35