Table 2.
Agreement between the different locations and distances of the IR temperature measurement devices and between the SpotOn and other IR temperature measurement devices
| IR device | Mean (SD) | Mean difference (LOA)a | ICC (95% CI) |
|---|---|---|---|
| IR gun | |||
| Location: eyes, nose and lips | – | – | 0.15 (0.04, 0.27) |
| Distance head: 3, 6 and 9 cm | – | – | 0.71 (0.63, 0.78) |
| Distance temple: 3, 6 and 9 cm | – | – | 0.72 (0.65, 0.79) |
| Tympanic thermometer | |||
| Left and right ear | – | – | 0.66 (0.54, 0.75) |
| SpotOn versus IR device | |||
| SpotOn | 36.9 (0.37) | – | – |
| IR gun location | |||
| Eyes | 36.9 (0.36) | 0.07 (–0.88, 1.02) | 0.13 (0.00, 0.30) |
| Nose | 35.5 (1.26) | 1.40 (–1.15, 3.94) | 0.00 (0.00, 0.20) |
| Lips | 36.5 (0.38) | 0.41 (–0.49, 1.31) | 0.25 (0.08, 0.41) |
| IR gun distance | |||
| Forehead: 3 cm | 36.7 (0.30) | 0.19 (–0.58, 0.97) | 0.32 (0.14, 0.47) |
| Forehead: 6 cm | 36.6 (0.22) | 0.35 (–0.43, 1.14) | 0.15 (0.00, 0.32) |
| Forehead: 9 cm | 36.4 (0.23) | 0.51 (–0.32, 1.35) | 0.07 (0.00, 0.24) |
| Temple: 3 cm | 36.7 (0.48) | 0.24 (–0.93, 1.41) | 0.05 (0.00, 0.22) |
| Temple: 6 cm | 36.5 (0.42) | 0.42 (–0.65, 1.49) | 0.05 (0.00, 0.23) |
| Temple: 9 cm | 36.4 (0.46) | 0.57 (–0.60, 1.73) | 0.00 (0.00, 0.18) |
| Tympanic | |||
| Left | 36.3 (0.49) | 0.59 (–0.37, 1.55) | 0.36 (0.19, 0.51) |
| Right | 36.3 (0.49) | 0.64 (–0.31, 1.60) | 0.37 (0.20, 0.51) |
| IR image | |||
| Coronal plane | 36.4 (0.53) | 0.50 (–0.58, 1.59) | 0.27 (0.10, 0.43) |
a
SpotOn minus comparator measurement.
CI = confidence interval; ICC = intra-class correlation coefficient; IR = infrared.