Table 3. Test-retest and interrater reliability of TCMS on item-level.
| Subscale/Items | Test-retest (N = 10) | Interrater (N = 10) | ||||
|---|---|---|---|---|---|---|
| Cohen’s κ | 95% CI | % | Free marginal κ | 95% CI | % | |
| Static sitting balance | ||||||
| 1. Upright sitting | * | 100% | 1.00 | 1.00 | 100% | |
| 2. Lift both arms | * | 100% | 1.00 | 1.00 | 100% | |
| 3. Legs crossed by therapist (left) | * | 100% | 1.00 | 1.00 | 100% | |
| 3. Legs crossed by therapist (right) | * | 100% | 0.90 | 0.70–1.00 | 93% | |
| 4. Legs crossed by patient (left) | 0.74 | 0.27–1.00 | 90% | 0.64 | 0.36–0.93 | 80% |
| 4. Legs crossed by patient (right) | 0.62 | -0.05–1.00 | 90% | 0.73 | 0.47–1.00 | 80% |
| 5. Leg abduction (left) | 1.00 | 1.00 | 100% | 0.73 | 0.47–1.00 | 80% |
| 5. Leg abduction (right) | 0.41 | - 0.18–1.00 | 80% | 0.64 | 0.36–0.93 | 73% |
| Selective movement control | ||||||
| 6a. Forward lean | * | 100% | 1.00 | 1.00 | 100% | |
| 6b. Compensations 6a | * | 100% | 0.87 | 0.61–1.00 | 93% | |
| 7a. Backward lean | * | 100% | 1.00 | 1.00 | 100% | |
| 7b. Compensations 7a | -0.25 | -0.49 –-0.18 | 60% | 0.60 | 0.20–1.00 | 80% |
| 8a. Lateral lean (left) | * | 100% | 1.00 | 1.00 | 100% | |
| 8a. Lateral lean (right) | * | 100% | 1.00 | 1.00 | 100% | |
| 8b. Trunk strategy 8a (left) | 0.62 | -0.05–1.00 | 90% | 0.60 | 0.20–1.00 | 80% |
| 8b. Trunk strategy 8a (right) | * | 100% | 1.00 | 1.00 | 100% | |
| 8c. Compensations 8a (left) | 0.60 | 0.15–1.00 | 80% | 1.00 | 1.00 | 100% |
| 8c. Compensations 8a (right) | 0.58 | 0.07–1.00 | 80% | 0.60 | 0.20–1.00 | 80% |
| 9a. Pelvic lift (left) | * | 100% | 0.87 | 0.61–1.00 | 93% | |
| 9a. Pelvic lift (right) | * | 100% | 1.00 | 1.00 | 100% | |
| 9b. Trunk strategy 9a (left) | 0.60 | 0.14–1.00 | 80% | 0.60 | 0.28–0.92 | 73% |
| 9b. Trunk strategy 9a (right) | 0.35 | -0.24–0.94 | 70% | 0.80 | 0.54–1.00 | 87% |
| 9c. Compensations 9a (left) | 0.35 | -0.24–0.94 | 70% | 0.60 | 0.20–1.00 | 80% |
| 9c. Compensations 9a (right) | 0.55 | 0.04–1.00 | 80% | 0.60 | 0.20–1.00 | 80% |
| 10a. Upper trunk rotation | 0.53 | -0.05–1.00 | 80% | 0.80 | 0.54–1.00 | 87% |
| 10b. Head strategy 10a | 0.62 | -0.05–1.00 | 90% | 1.00 | 1.00 | 100% |
| 11a. Lower trunk rotation | 0.80 | 0.44–1.00 | 90% | 0.70 | 0.54–1.00 | 80% |
| 11b. Pelvic compensation 11a | 1.00 | 1.00 | 100% | 0.33 | -0.10–0.77 | 67% |
| 12a. Forward and backward pelvic shuffle | 0.78 | 0.39–1.00 | 90% | 0.33 | 0.04–0.63 | 50% |
| 12b. Compensations 12a | * | 70% | 0.07 | -0.33–0.47 | 53% | |
| Dynamic reaching | ||||||
| 13. Forward reaching | * | 90% | 1.00 | 1.00 | 100% | |
| 14. Lateral reach (left) | 0.35 | -0.24–0.94 | 70% | 1.00 | 1.00 | 100% |
| 14. Lateral reach (right) | * | 90% | 1.00 | 1.00 | 100% | |
| 15. Lateral cross-over reach (left) | 0.78 | 0.38–1.00 | 90% | 0.90 | 0.70–1.00 | 93% |
| 15. Lateral cross-over reach (right) | 0.07 | -0.43–0.58 | 50% | 0.70 | 0.40–1.00 | 80% |
TCMS: Trunk Control Measurement Scale; Κ: Kappa; CI: Confidence interval; %: Percentage of agreement
*: calculation not possible