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Table 1 Patients’ characteristics

From: The concept of broad exposure facilitates uniportal video-assisted thoracoscopic mediastinal lymph nodes dissection

Characteristic Total
N = 204
Age (y)
 Range 34–75
 Median 54
Male/female 101/103
Smoking / non-smoking 69/135
Comorbidity
 Diabetes 5
 Hypertension 8
 Coronary heart disease 6
 Chronic obstructive pulmonary diseases 4
 Others 10
History of malignancy
 Thyroid cancer 3
 Breast cancer 2
 Cervical cancer 1
 Rectal cancer 1
Clinical TNM staging
 IA 36(17.6%)
 IB 54(26.4%)
 IIA 62(30.4%)
 IIB 33(16.2%)
 IIIA 15(7.4%)
 IIIB 4(2.0%)
Clinical N staging
 N0 172(84.3%)
 N1 19(9.3%)
 N2a 13(6.4%)