Table 2.
Inter-rater reliability (ICC 2.1) for ROM measurements
| Examiner
1 mean ±SD (°) |
Examiner
2 mean ±SD (°) |
ICC
2.1 (95% CI) |
SEm
(°) |
LOA
(°) |
Fixed error | Proportional bias | MDC
(°) |
|||
| 95%
CI |
Result | Regression
coefficient |
Result | |||||||
| Straight leg raise angle | 67.3
±19.6 |
64.0
±21.3 |
0.936
(0.853, 0.969) |
4.70 | –6.00
~ 12.70 |
1.22
~ 5.48 |
Yes | p=0.09 | No | — |
| Ankle dorsiflexion angle | 11.2
±5.7 |
11.6
±5.3 |
0.701
(0.502, 0.830) |
3.03 | –6.49
~ 5.54 |
–1.84
~ 0.89 |
No | p=0.61 | No | 8.39 |
| Hip internal rotation angle | 40.4
±12.0 |
38.2
±11.8 |
0.878
(0.765, 0.936) |
3.93 | –5.6
~ 10.01 |
0.42
~ 3.98 |
Yes | p=0.77 | No | — |
SD: standard deviation
95% CI: 95% confidence interval
SEm: standard error of the measurement
LOA: limit of agreement
MDC: minimal detectable change
ICC: intraclass correlation coefficient
ROM: range of motion