Table IV.
Proposed cut-off values of radiological JSW in millimeters based on the measurement error (e.g., Bland and Altman method with SDD) in hip OA
| Author | Year | Analysis* | Film† | Bland and Altman method |
|||||
|---|---|---|---|---|---|---|---|---|---|
| N | Mean change | SD change | SDD mm (cut-off) | Limits of agreement |
|||||
| Min | Max | ||||||||
| Dougados | 1996 | 3(52) | 1 | 30 | 0.01 | 0.28 | 0.56 | −0.55 | 0.57 |
| Auleley | 1998 | 1 | 1 (standing) | 46 | 0.02 | 0.11 | 0.22 | −0.2 | 0.24 |
| 1 | 1 (supine) | 46 | −0.002 | 0.13 | 0.26 | −0.262 | 0.258 | ||
| Auleley | 2001 | 2 | 1 | 37 | −0.02 | 0.23 | 0.46 | −0.48 | 0.44 |
| Conrozier | 2001 | 1 | 1 | 28 | 0 | 0.15 | 0.3 | −0.3 | 0.3 |
| Maillefert | 2002 | 3 (156) | 1 | 35 | 0.028 | 0.39 | 0.78 | −0.752 | 0.808 |
| 3 (156) | 1 (computer) | 35 | 0.077 | 0.34 | 0.67 | −0.593 | 0.747 | ||
| Hilliquin | 2002 | 1 | 1 | 100 | −0.03 | 0.22 | 0.44 | −0.47 | 0.41 |
| Maheu | 2005 | 3 (156) | 1 | 50 | 0.02 | 0.18 | 0.37 | −0.35 | 0.39 |
| 3 (156) | 2 | 50 | 0.03 | 0.16 | 0.31 | −0.28 | 0.34 | ||
| 3 (156) | 3 | 50 | 0.03 | 0.16 | 0.31 | −0.28 | 0.34 | ||
*
Analysis: 1 = score of a single film in a single patient; 2 = score of two films in a single patient taken less than 2 days a part; 3 = score of the changes in a single patient between two visits and () the number of weeks between these two visits.
†
Film: 1 = pelvic; 2 = hip AP; 3 = hip lateral.