Prognostic factors for local control of stage I non-small cell lung cancer in stereotactic radiotherapy: a retrospective analysis

Table 3 Multivariate analysis with variables selected by stepwise method

Variable [Reference]	Hazard ratio	χ²	95% confidence interval of hazard ratio	Significance probability (p)
T factor [Group: T2]	0.027	6.142	0.002 – 0.470	0.013
Minimum dose for PTV (%) [Unit: 1%]	0.731	6.203	0.571 – 0.935	0.013
BED ₁₀ (Gy) [Unit: 10 Gy]	0.383	3.898	0.148 – 0.993	0.048

ISSN: 1748-717X