Table 1.
The mean difference (95%CI) between the three tympanic measurements made by each of the 3 observers/devices and the intra-class correlation coefficient (ICC)
| |
Mean difference ± standard deviation (95%CI)^* |
ICC (95%CI) |
||
|---|---|---|---|---|
|
Observer/device |
Reading 2 vs 1 |
Reading 3 vs 2 |
Reading 3 vs 1 |
|
| N = 201 | N = 201 | N = 201 | ||
| 1 |
0.03 ± 0.01 |
0 ± 0.09 |
0.04 ± 0.12 |
0.993 |
| |
(0.02 to 0.05) |
(0 to 0.02) |
(0.02 to 0.05) |
(0.991-0.994) |
| 2 |
0.03 ± 0.12 |
0.01 ± 0.12 |
0.03 ± 0.15 |
0.979 |
| |
(0.01 to 0.05) |
(−0.01 to 0.02) |
(0.01 to 0.05) |
(0.962-0.977) |
| 3 |
0.05 ± 0.22 |
−0.02 ± 0.16 |
0.03 ± 0.26 |
0.971 |
| (0.02 to 0.09) | (−0.04 to 0) | (0 to 0.07) | (0.964 -0.977) | |
^ Temperature in degrees Celsius.
* The mean difference is calculated by subtracting the later reading from the former reading, in the order they were taken e.g. Reading 2 vs 1, is the mean difference of the second temperature reading minus the first temperature reading.