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Table 3 Agreement for Pneumothorax (PNX)

From: Agreement between chest ultrasonography and chest X-ray in patients who have undergone thoracic surgery: preliminary results

PNX Chest X-ray
Chest US Negative Positive
Negative 4 0
Positive 5 15
  1. Cohen’s Kappa: 0.5
  2. Percentage of agreement: 79%