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Table 1 Characteristics of all thoracic surgery patients at all institutions the year before and after standardization

From: Improvements in thoracic surgery outcomes: a multi-institutional collaboration study

  Before After
All chest surgery patients n=373 n=372
Age 62.0 (14–92) 63.0 (16–93)
Men 244 (65%) 242 (65%)
Disease   
 Primary lung cancer 159 189
 Metastatic lung tumor 57 66
 Benign lung tumor 2 2
 Inflammatory lung disease 20 19
 Mediastinal tumor 29 25
 Chest wall tumor 3 4
 Empyema 12 2
 Spontaneous pneumothorax 75 60
 Cystic lung disease 2 0
 Others 14 5
Type of surgery   
 Pneumonectomy 3 1
 Lobectomy 99 100
 Segmentectomy 21 20
 Partial lung resection 188 211
 Mediastinal tumor removal 26 25
 Chest wall tumor resection 4 4
 Empyema 12 2
 Biopsy 7 3
 Others 13 6
Surgical approach   
 VATS 69 53
 Minithoracotomy (<8 cm) 238 280
 Others 66 39
  1. VATS: video-assisted thoracic surgery using only monitor view.