Table 3.
Absolute sensitivity of preoperative Short Form-12 (SF-12), Short Form-36 (SF-36), Oswestry Disability Index (ODI), and visual analog scale (VAS)-pain.a
|
SF-12 (PCS) |
SF-36 (PCS) |
SF-12 (MCS) |
SF-36 (MCS) |
ODI |
VAS-Pain |
|
| Lumbar fusion (n = 232) | 0.43 | 0.46 | 0.4 | 0.44 | 0.46 | 0.43 |
| Lumbar laminectomy or discectomy without fusion (n = 716) | 0.37 | 0.39 | 0.36 | 0.36 | 0.46 | 0.50 |
Abbreviations: MCS, mental component score; PCS, physical component score.
a
Measured as the coefficient of variation: interquartile range/median. Higher values indicate greater sensitivity of the scale to distinguish between different levels of disease severity.