Table 1 Characteristics of included studies
Author | Study no. | Year | Journal | Study design | Number of patients | Age (years) | Male/ female | Indication | Follow-up (months) |
|---|---|---|---|---|---|---|---|---|---|
Osman et al. | 1 | 2012 | International Journal of Spine Surgery | RS | 60 | 52.8 (26–85) | 30/30 | DDD (8.3%) LSS (81.7%) SL (10%) | 12 (6-25) |
Jacquot et al. | 2 | 2013 | International Orthopaedics | RS | 57 | 50.29 (34–71) Male 57.42 (29–90) Female | 17/40 | DDD (100%) PO (33%) | 24 |
He et al. | 3 | 2015 | International Journal of Surgery | RS | 42 | 64.2 ± 12.8 (37–75) | 23/19 | LSS (81.0%) DSL (14.3%) LDH (4.8%) | 27.6 ± 3.8 (24-36) |
Morgenstern et al. | 4 | 2015 | International Journal of Spine Surgery | RS | 30 | 62.2 ± 15.9 | 12/18 | DDD (30%) SL (40%) FA (20%) IAD (6.67%) CD (3.33%) | 38 ± 17 (11-67) |
Wang et al. | 5 | 2016 | Neurosurgical Focus | RS | 10 | 62.2 ± 9.0 (52–78) | 7/3 | DDD (100%) SL (60%) | 12 |
Lee et al. | 6 | 2017 | BioMed Research International | RS | 18 | 44.1 (26–63) | None | DDD (88.9%) SL (11.1%) | 46 (12-123) |
Heo et al. | 7 | 2017 | Neurosurgical Focus | RS | 69 | 71.2 ± 7.8 | 24/45 | SL (87.0%) LSS (13%) | 13.5±7.1 |
Kim et al. | 8 | 2018 | Clinics in Orthopedic Surgery | RS | 14 | 68.7 ± 8.5 (49–85) | None | LSS (57.1%) SL (42.9%) | 2 |
Wu et al. | 9 | 2018 | BioMed Research International | RS | 7 | 56.0 ± 13.0 (33–72) | 3/3 | SL (100%) | 35.1±3.0 (31.5-38.1) |