Table 2: Test Retest Reliability Results of ODI-T

Outcome Measure Baseline Score Retest Score ICC (95% C.I.) Bland & Altman Analysis
d (SD) LOA
ODI-T 27.73(8.9)* 25.1(9.8)* 0.92 (0.84-0.96) 2.63 (4.9) 12.41 to -7.15

* The values are expressed as mean and standard deviation (SD); d – mean difference of the test and retest scores; LOA- Limits of agreement = d± 1.96 SD.