Table 2

Diagnostic accuracy of HRCT pattern for histopathological pattern in 21 histopathologically confirmed patients

 Histopathological patternTotal
UIPOther pattern
UIP pattern on HRCT505
Non-UIP pattern on HRCT7916
Total12921
  • Data are presented as number.

  • Other pattern means other histopathological pattern except for UIP including non-specific interstitial pneumonia, desquamative interstitial pneumonia and unclassifiable interstitial pneumonia.

  • The sensitivity, specificity, positive predictive value and negative predictive value of HRCT for histopathological evidence of UIP is 41.7%, 100%, 100% and 56.3%, respectively.

  • HRCT, high resolution CT; UIP, usual interstitial pneumonia.