Table 1 Background and clinical information of patients with LSS who underwent unilateral laminotomy with bilateral spinal canal decompression
Ref | Sample size | Sex | Age | Risk factor | Diagnostic investigation | Preop. VAS | Preop. JOA | Preop. JOABPEQ | Preop. RMDW | Preop. ODI | Preop. SF-36 | Preop. Spinal Stenosis Measure | Preop. EQ-5D-3L |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
(years mean ± S.D.) | (mean ± S.D.) | (mean ± S.D.) | (mean ± S.D.) | (mean ± S.D.) | (mean ± S.D.) | (mean ± S.D.) | (mean ± S.D.) | (mean ± S.D.) | |||||
Arai et al. [18], 2014 | 50 | 34 M; 16 F | 69.5 ± 8.7 | 8 with spondylolisthesis | CT looking at lumbar spondylosis | 6.41 ± 2.81 | 14.5 ± 5.1 | 40.4 ± 38.6 | - | - | - | - | - |
Yang et al. [19], 2020 | 28 | 18 M; 10 F | 73.0 ± 5.9 | - | MRI central stenosis grade | 4.68 ± 0.94 (back) 6.07 ± 0.81 (leg) | - | - | - | 61.86 ± 7.32 | - | - | - |
Ko et al. [20], 2019 | 25 | 8 M; 17 F | 68.1 ± 10.7 | - | MRI showing central stenosis and flexion/extension XR for dynamic instability | 4.20 ± 2.20 (back) 7.28 ± 1.22 (leg) | - | - | - | - | - | - | - |
McGrath et al. [21], 2019 | 45 | 27 M; 18 F | 62.0 ± 1.3 | 23 with spondylolisthesis | MRI showing central stenosis and flexion/extension XR for dynamic instability | 7.1 ± 0.4 (back) 6.3 ± 0.5 (leg) | - | - | - | 47.2 ± 3.1 | - | - | - |
Ulrich et al. [22], 2019 | 128 | 62 M; 66 F | 72.9 ± 7.9 | 57 with degenerative spondylolisthesis | MRI central stenosis grade | - | - | - | - | - | - | 3.1 ± 0.6 (symptoms) 2.3 ± 0.7 (function) | 67.3 ± 15.1 |
Mobbs et al. [23], 2014 | 27 | 5 M; 22 F | 72.7 ± 10.4 | - | MRI or CT myelogram confirming central stenosis | 7.5 ± 2.1 (leg) | - | - | - | 51.4 ± 19.4 | - | - | - |
Knio et al. [24], 2019 | 68 | 35 M; 33 F | 65.0 ± 9.2 | 23 with spondylolisthesis | MRI or CT with central stenosis | 7.3 ± 3.0 (back) 7.5 ± 2.7 (leg) | - | - | - | 51.2 ± 14.5 | - | - | - |