Table II.
Sensitivity, specificity, positive predictive value (PPV), and negative predictive value (NPV) of raised body temperature of thermometer types when compared with rectal measurement as reference.*
| Body temperature | Tympanic thermometer | Infrared skin scan thermometer | Temporal artery scan thermometer |
|---|---|---|---|
| Cut off value 37.8°C (n = 33/294) | |||
| Sensitivity | 18 | 18 | 34 |
| Specificity | 99.6 | 99.5 | 94 |
| PPV | 86 | 86 | 42 |
| NPV | 90 | 91 | 92 |
| Cut off value 38°C (n = 22/294) | |||
| Sensitivity | 22 | 27 | 41 |
| Specificity | 100 | 100 | 98 |
| PPV | 100 | 100 | 60 |
| NPV | 94 | 92 | 96 |
⁎
Values are given as %.