Table 2.
Perioperative complications and 12-month outcome data in the two surgical treatment groups (D and D&F)
| Variable | Decompression (D) (N = 56) | Decompression and fusion (D&F) (N = 157) | p value |
|---|---|---|---|
| Surgical complications | 7/56 (12.5%; 95% CI, 3.8–21.2%) | 14/157 (8.9%; 95% CI, 4.5–11.8%) | 0.44* |
| General complications | 3/56 (5.4%; 95% CI, 0.0–11.3%) | 13/157 (8.3%; 95% CI, 4.0–12.6%) | 0.57 |
| Reduction in LBP from pre-op to 12 months’ follow-up | 1.7 ± 3.4 | 2.9 ± 2.9 | 0.01 |
| Reduction in LP from pre-op to 12 months’ follow-up | 3.1 ± 3.0 | 3.9 ± 3.4 | 0.13 |
| Reduction in worst pain (leg or back pain) from pre-op to 12 months’ follow-up | 2.5 ± 2.7 | 3.8 ± 2.8 | 0.002 |
| Reduction in COMI score (i.e. improvement) from pre-op to 12 months’ follow-up | 3.1 ± 2.9 | 4.2 ± 2.7 | 0.009 |
| % good outcome at 12 months’ follow-up | 70.4% (95% CI, 58–83%) | 86.2% (95% CI, 80–92%) | 0.01 |
* Fisher’s Exact P test