From: Evaluation of an influenza-like illness case definition in the diagnosis of influenza among patients with acute febrile illness in cambodia
Age (years)
2 to 6
7 to 18
>18
p-value
Sensitivity
76 (335)*
73 (401)
68 (148)
.18
Specificity
32 (470)
37 (487)
53 (798)
<.0001
Positive Predictive Value
44 (576)
49 (599)
21 (476)
.01
Negative Predictive Value
66 (229)
63 (289)
90 (471)