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Table 1 Comparison of general data

From: Clinical analysis of subxiphoid single-port thoracoscopic surgery for simultaneous bilateral lung lesion resection

  Xiphoid group (n = 36) Intercostal group (n = 36) Statistical value P value
Sex (n)
 Male 15 20 χ2 = 1.390 0.238
 Female 21 16
Age (years, x ± s) 44.333 ± 15.059 46.305 ± 14.585 t = 0.564 0.574
Postoperative pathology atypical adenomatous hyperplasia (n) 5 6 χ2 = 0.790* 0.972
Carcinoma in situ (n) 14 15   
Minimally invasive adenocarcinoma (n) 9 7   
Adenocarcinoma (n) 3 4   
Benign lesions (n) 5 4   
  1. *Fisher’s exact probability method