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Table 4 Sensitivity, specificity, positive and negative predictive values of the tympanic thermometer.

From: Fever detection in under 5 children in a tertiary health facility using the infrared tympanic thermometer in the oral mode

Age group(months) Sensitivity(%) Specificity(%) PPV (%) NPV (%)
< 1 73.3 91.1 89.2 77.4
1 - 11 91.2 100.0 100.0 91.9
12 - 23 83.3 97.6 97.2 85.4
24 - 35 83.3 97.7 96.2 85.3
36 - 47 92.7 92.7 92.7 92.7
48 - 59 97.6 95.2 95.3 97.6
0 - 59 87.3 96.5 96.1 88.5
  1. PPV: Positive predictive value
  2. NPV: Negative predictive value