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Table 1 The distribution of the patients in both groups according to their etiologies.

From: A novel and safe technique in closed tube thoracostomy

Etiology Group A Group B
  n % n %
Stab wound injuries 30 33.3 28 31.1
Firearm injury 9 10 6 6.7
Spontaneous pneumothorax 28 31.1 27 30
Motor vehicle injuries 9 10 8 8.9
Pedestrian injuries 5 5.6 5 5.6
Assault 3 3.3 3 3.3
Fall 4 4.5 11 12.2
Pleural effusions 1 1.1 1 1.1
Empyema 1 1.1 1 1.1
TOTAL 90 100 90 100
  1. The differance between clinical characteristics of two groups were insignificant, statistically (p > 0.05; Chi-Square test).