[Retracted] Clinical Analysis of Video-Assisted Thoracoscopic Surgery for Resection of Solitary Pulmonary Nodules and Influencing Factors in the Diagnosis of Benign and Malignant Nodules

Table 3

Assigned values for multivariate analysis factors.

Factors	Assignment
Age	≥45 = 0, <45 = 1
Maximum nodule diameter	≤20 = 0, 21–30 = 1
Calcification	Yes = 0, no = 1
Lobarization sign	Yes = 0, no = 1
Burr sign	Yes = 0, no = 1
Vascular clustering sign	Yes = 0, no = 1
Pleural depression sign	Yes = 0, no = 1