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Study selection according to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses.
Tables
Study Type of Cohort Study No. of Patients Duration of Surgery, min, mean ± SD Blood Loss, mL, mean ± SD Durotomy, n Hoogland et al, 200810 Prospective 262 NA NA 0 Ruetten et al, 200911 Prospective 21 24 ± 6.4 Not measurable 0 Xu et al, 202312 Retrospective 31 NA 0 0 Wang et al, 202013 Retrospective 24 113.3 ± 45.44 17.75 ± 17.05 NA Jiang et al, 202114 Retrospective 24 65.3 ± 12.5 28.6 ± 4.7 0 Ahn et al, 200415 Retrospective 43 NA NA NA Total - 405 67.53 ± 27.42 23.18 ± 5.4 0 Abbreviation: NA, not available.
Study LOS, d, mean ± SD Nerve Injury, n (%) Recurrence, n (%) Fusion, n (%) Complications, n (%) Hoogland et al, 200810 NA 3 (1.1%) 11 (4.62%) 1 (0.4%) 0 Ruetten et al, 200911 NA 0 2 (9.5%) NA 0 Xu et al, 202312 NA 0 0 NA 0 Wang et al, 202013 1.9 ± 0.97 1 (4.2% 5 (20.83%) 2 (8.3%) 1 (4.15%) Jiang et al, 202114 4.7 ± 1.2 0 NA NA 1 (4.2%) Ahn et al, 200415 NA 0 0 NA 2 (4.7%) Total 3.3 ± 1.2 4 (0.1%) 18 (4.4%) 3 (0.7%) 4 (0.1%) Abbreviations: LOS, length of stay (in hospital); NA, not available.
Note: The data have been represented as N (%) and mean ± SD.
Study VAS ODI Preoperative Postoperative Preoperative Postoperative Hoogland et al, 200810 8.56 ± 0.51 2.85 ± 0.34 NA NA Ruetten et al, 200911 8 ± 1.2 4 ± 1.0 42 ± 4.56 11 ± 1.25 Xu et al, 202312 5.68 ± 1.01 1.61 ± 1.50 NA NA Wang et al, 202013 7.05 ± 0.76 1.20 ± 0.62 28.15 ± 1.69 10.65 ± 0.81 Jiang et al, 202114 8.65 ± 1.57 0.43 ± 0.26 39.87 ± 7.65 2.61 ± 1.55 Ahn et al, 200415 8.72 ± 1.20 2.58 ± 1.55 NA NA Total 7.77 ± 108 2.11 ± 1.08 36.34 ± 5.88 8.09 ± 3.88 Abbreviations: NA, not available; ODI, Oswestry Disability Index; VAS, visual analog scale.
Note: Data are presented as mean ± SD.
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