[Retracted] Nomogram Prediction Model Analysis of Risk Factors for Conversion to Thoracotomy after Thoracoscopic Resection of Lung Cancer and Prognostic Value of Lung Cancer

Table 7

Univariate analysis of prognosis of patients undergoing thoracoscopic lung cancer resection.

Item	Hazard ratio (HR)	95% CI
Age	1.237	0.753-2.345	0.241
Gender	1.446	0.868-2.137	0.156
Smoking history	1.532	0.765-2.668	0.059
Tumor diameter	1.198	0.836-2.335	0.023
Postoperative chemotherapy	1.479	0.749-2.904	0.018
Tumor location	0.873	0.803-1.786	0.056
Surgery methods	0.987	0.671-2.981	0.031
TNM stage	1.399	0.903-1.995	0.017
Surgery duration	2.875	0.619-3.896	0.006
Number of chemotherapy cycles	1.056	0.946-2.017	0.028