Table 1 Interexaminer reliability- Expanded vertebra agreement- Pragmatic approach to assess segmental stiffness
Spinal level | Kappa | 95%CI | PABAK | 95% CI | Indicates | Kappa max |
|---|---|---|---|---|---|---|
T1–3 | − 0.20 | − 0.46, 0.07 | 0.09 | − 0.24, 0.42 | Slight agreement | −0.19 |
T2–4 | −0.25 | − 0.38, − 0.12 | 0.20 | −0.12, 0.52 | Slight agreement | −0.25 |
T3–5 | 0.12 | −0.26, 0.50 | 0.60 | 0.33, 0.86 | Moderate agreement | 0.20 |
T4–6 | −0.07 | −0.14, 0.00 | 0.71 | 0.48, 0.95 | Substantial agreement | −0.09 |
T5–7 | −0.01 | −0.01, 0.00 | 0.89 | 0.73, 1.00 | Almost perfect agreement | −0.01 |
T6–8 | −0.06 | −0.12, 0.00 | 0.77 | 0.56, 0.98 | Substantial agreement | −0.06 |
T7–9 | −0.03 | −0.07, 0.01 | 0.89 | 0.73, 1.00 | Almost perfect agreement | −0.03 |
T8–10 | −0.05 | −0.14, 0.04 | 0.60 | 0.33, 0.86 | Moderate agreement | −0.20 |
T9–11 | 0.30 | −0.06, 0.66 | 0.54 | 0.26, 0.82 | Moderate agreement | 0.46 |
T10–12 | 0.05 | −0.28, 0.37 | 0.31 | −0.01, 0.63 | Fair agreement | 0.07 |