The sensitivity and specifcity of WUH criteria was 78% and
65%, respectively.
• Positive and negative predictive values were 42% and 90%,
respectively.
• In the subgroup analysis, sensitivity of 87% and specifcity
of 50% was noted; positive and negative predictive values
were 37% and 92%, respectively.
• Although the sensitivity was relatively high, 13–22% of
patients with Legionnaires disease were missed by the WUH
score