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Table 4 Comparison of chest radiography (CR) and lung ultrasonography (US) results in diagnosing pleural effusion

From: Performance of lung ultrasonography in children with community-acquired pneumonia

Pleural effusion, right k = 0.30 (p < 0.0001) MH-SM p = 0.0005  
  Lung US  
CR Absent Present Total
Absent 88 12 100
Present 0 3 3
Total 88 15 103
Pleural effusion, left k = 0.16 (p = 0.02) MH-SM p = 0.004  
  Lung US  
CR Absent Present Total
Absent 86 13 99
Present 2 2 4
Total 88 15 103
  1. MH-SM marginal homogeneity (Stuart-Maxwell) test.
  2. Concordant pairs in bold.