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Table 4 Relationship between patient characteristics or operative factors and postoperative atelectasis or pneumonia

From: Individualization of risk factors for postoperative complication after lung cancer surgery: a retrospective study

  Atelectasis or pneumonia p value
Present Absent
Gender    
 Male 37 (6%) 548 (94%) 0.01
 Female 10 (3%) 361 (97%)  
Age    
 < 75 years 31 (4%) 668 (96%) 0.25
 ≥ 75 years 16 (6%) 241 (94%)  
Smoking history    
 Present 39 (6%) 556 (94%)  < 0.01
 Absent 8 (2%) 353 (98%)  
Coexistence of ILD    
 Present 2 (9%) 20 (91%) 0.35
 Absent 45 (5%) 889 (95%)  
Coexistence of diabetes mellitus    
 Present 6 (4%) 130 (96%) 0.76
 Absent 41 (5%) 779 (95%)  
Coexistence of malignancy    
 Present 8 (5%) 153 (95%) 0.97
 Absent 39 (5%) 756 (95%)  
Coexistence of asthma    
 Present 7 (25%) 21 (75%)  < 0.01
 Absent 40 (4%) 888 (96%)  
FEV1%    
 < 70% 23 (7%) 310 (93%) 0.03
 ≥ 70% 24 (4%) 599 (96%)  
Coexistence of arrhythmia or angina pectoris    
 Present 8 (8%) 90 (92%) 0.11
 Absent 39 (5%) 819 (95%)  
Lobe    
 RU 18 (6%) 271 (94%) 0.23
 RM 2 (3%) 56 (97%)  
 RL 10 (4%) 221 (96%)  
 LU 14 (6%) 206 (94%)  
 LL 3 (2%) 155 (98%)  
Operative approach    
 C-VATS + RATS 12 (4%) 329 (96%) 0.13
 H-VATS + Open 35 (6%) 580 (94%)  
Operative procedure    
 Lobectomy or more 38 (5%) 671 (95%) 0.28
 Sublobar resection 9 (4%) 238 (96%)  
  1. FEV1% forced expiratory volume % in one second, RU right upper, RM right middle, RL right lower, LU left upper, LL left lower, C complete, VATS video-assisted thoracic surgery, RATS Robot-assisted Thoracic Surgery, H hybrid