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Table 5 Agreement for Pleural effusion (PE)

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

PE

Chest X-ray

Chest US

Negative

Positive

Negative

5

1

Positive

6

12

  1. Cohen’s Kappa: 0.39
  2. Percentage of agreement: 70%