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Table 3 Comparisons of the airway stenosis indicators

From: Treating cancerous large airway stenosis with staging radioactive particle implantation guided by computed tomography and fiber bronchoscopy: a clinical study

Groups Patients (n) Rate of airway cross-section stenosis Dyspnea index
Treatment 57   
 Before treatment   6.86 ± 1.68 12.73 ± 2.14
 After treatment 2.57 ± 4.43* 5.25 ± 3.44*
Controls 45   
 Before treatment   5.57 ± 2.07 11.84 ± 2.65
 After treatment 6.29 ± 4.43 15.71 ± 4.02
  1. *P < 0.05 vs. controls after treatment