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Table 6 Multivariate analysis of overall survival (Cox Regression method)

From: Clinical Analysis of stereotactic body radiation therapy using extracranial gamma knife for patients with mainly bulky inoperable early stage non-small cell lung carcinoma

factor B SE Wald df Sig. Exp(B) 95.0% CI for Exp(B)
        Lower Upper
Clinical stage 1.402 0.575 5.939 1 .015 4.064 1.316 12.553
Chemotherapy 1.297 .637 4.141 1 .042 3.659 1.049 12.760