Table 4.
Comparison between the MIS group and open group
| Mean | Fusion rate (%) | Complication rate (%) | Reoperation rate (%) | VAS-LP improvement | VAS-BP improvement | ODI improvement | MBL (ml) | OPT (min) | LOS (days) | Ambulation time (days) |
|---|---|---|---|---|---|---|---|---|---|---|
| MIS (overall) | 95.9 | 15.1 | 0.4 | 5.2 | 4.7 | 31.6 | 224.4 | 195 | 5.1 | 1.9 |
| Open (overall) | 97.7 | 16.4 | 0.5 | 5.0 | 4.2 | 28.7 | 506.8 | 198 | 6.9 | 3.7 |
MIS: Minimally invasive surgery; Open: Open surgery; OPT: Operation time; MBL: Mean blood loss; LOS: Length of hospital stay; VAS-BP/LP: Visual analog score-back pain/leg pain; ODI: Oswestry Disabilities Index.