Patient satisfaction index
| Follow-up period | miPCD | ACF | Statistical significance |
|---|---|---|---|
| 6 mo | P = NS | ||
| No. of patients | 17 | 16 | |
| Patient satisfaction index (mean ± SD) | 4.29 ± 0.98 | 4.0 ± 0.96 | |
| 1y | P = NS | ||
| No. of patients | 28 | 17 | |
| Patient satisfaction index (mean ± SD) | 3.80 ± 1.20 | 3.76 ± 1.25 | |
| ≥2 y | P = NS | ||
| No. of patients | 14 | 12 | |
| Patient satisfaction index (mean ± SD) | 3.92 ± 1.49 | 4.25 ± 0.86 | |
| Length (mean ± SD) (y) | 2.7 ± 1.0 | 2.6 ± 0.8 | |
| Last | P = NS | ||
| No. of patients | 35 | 28 | |
| Patient satisfaction index (mean ± SD) | 4.00 ± 1.18 | 3.82 ± 1.18 | |
| Length (mean ± SD) (y) | 1.7 ± 1.1 | 1.6 ± 1.0 |
Abbreviations: ACF, anterior cervical diskectomy or corpectomy with interbody fusion; miPCD, minimally invasive posterior cervical decompression; NS, not significant.