Table 3.
Details of vignettes over all and in three groups with comparison
| Variable | Total | LVS | HV | LVC | p-value |
|---|---|---|---|---|---|
| No. of vignettes | 30 | 6 | 14 | 10 | |
| Age (yr) | 32.3±12.7 | 22.8±10.8 (13–44) | 32.7±12.6 (15–55) | 37.5±11.8 (16–54) | 0.07 |
| Duration of symptoms (mo) | 8.3±5.4 | 8.5±3.5 (3–12) | 8.2±5.4 (1–24) | 8.5±6.9 (1–24) | 0.98 |
| Oswestry Disability Index | 76.7±14.2 | 71.6±21.0 | 79.3±13.6 | 76.2±10.3 | 0.51 |
| Visual Analog Scale | 7.8±1.6 | 8.5±1.9 | 7.98±1.9 | 7.4±0.8 | 0.45 |
| Location | |||||
| Cervical | 2 | 0 | 1 | 1 | |
| Cervico-dorsal | 1 | 0 | 1 | 0 | |
| Dorsal | 9 | 2 | 5 | 2 | |
| Dorso-lumbar | 7 | 2 | 2 | 3 | |
| Lumbar | 8 | 1 | 4 | 3 | |
| Lumbo-sacral | 3 | 1 | 1 | 1 | |
Values are presented as number, mean±SD, or mean±SD (range), unless otherwise stated.
LVS, low variability–surgical; HV, high variability; LVC, low variability–conservative; SD, standard deviation.