Table 3.
Comparison of postoperative outcomes between groups.
| Variable | Laminectomy N = 27 | UPSF N = 27 | BPSF N = 24 | p-valuea | |
|---|---|---|---|---|---|
| VAS | Post early VASa,mean (SD) | 2.19 (0.79) | 2.26 (0.81) | 5.13 (0.85) | 0.000 |
| Post VASa,mean (SD) | 1.63 (0.56) | 1.81 (0.68) | 4.33 (0.70) | 0.000 | |
| ODI | Post early ODIa,mean (SD) | 20.22 (2.31) | 21.52 (2.69) | 28.58 (1.41) | 0.000 |
| PostODIa,mean (SD) | 4.30 (1.84) | 5.52 (1.91) | 12.92 (3.30) | 0.000 | |
| SF-36 | Post early SF-36a,mean (SD) | 49.44 (3.24) | 71.15 (3.54) | 58.29 (4.81) | 0.000 |
| PostSF-36a,mean (SD) | 56.07 (4.04) | 87.81 (5.67) | 68.58 (3.08) | 0.000 |
Abbreviation: UPSF: unilateral pedicle screw fixation, BPSF: bilateral pedicle screw fixation, VAS: visual analogue scale, ODI: Oswestry disability index, SF-36: short form health survey.
one-way ANOVA.
Statistical significant as p < 0.05.