Research Article

The Role of Circulating Tumor Cells in the Prognosis of Local Recurrence and Local Residual Nasopharyngeal Carcinoma Undergoing Endoscopic Resection

Table 6

COX multifactor analysis.

SubjectBSEWaldDfExp (B)95.00% CI
UpperLower

MCTC1.6730.77994.60010.03195.3271.15524.57
TNM stage1.0940.45835.69610.01692.9861.2167.332
First course of radiotherapy0.6750.51851.69310.19321.9630.71105.425