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Table 1 Clinical data of patients

From: Surgical outcomes of one-stage resection for synchronous multiple primary lung adenocarcinomas with no less than three lesions

Variables Number (%) Mean value
Age (years)   57.7 ± 5.69
 ≥ 60 11 (39.3)  
 < 60 17 (60.7)  
Sex   
 Male 8 (28.6)  
 Female 20 (71.4)  
Smoking status   
 Current and former 8 (28.6)  
 Never 20 (71.4)  
Family history of tumor   
 Yes 5 (17.9)  
 No 23 (82.1)  
Comorbidity   
 Yes 11 (39.3)  
 No 17 (60.7)  
Preoperative CEA level   3.38 ± 1.38
 ≥ 5.0 ng/ml 3 (10.7)  
 < 5.0 ng/ml 25 (89.3)  
Ejection fraction   61.16 ± 4.02
  ≥ 60 16 (57.1)  
 55–59 12 (42.9)  
FEV1(L)   2.68 ± 0.42
p-FEV1%   96.95 ± 24.16
  ≥ 100 8 (28.6)  
 80–100 10 (35.7)  
 ≤ 80 10 (35.7)  
Distribution of tumors   
 Unilateral 24 (85.7)  
 Bilateral 4 (14.3)  
Number of tumors   
 3 20 (71.4)  
 4 5 (17.9)  
 5 3 (10.7)  
Highest pT   
 T1 26 (92.9)  
 T2 2 (7.1)  
Highest pN   
 N0 27 (96.4)  
 N1-2 1 (3.6)  
Adjuvant chemotherapy   
 Yes 1 (3.6)  
 No 27 (96.4)