Author, year | Country | Study design | Index condition: setting | Mean age (SD) | Sex (% female) | LSS case definition | LSS sample size | Hip OA case definition | Hip OA sample size | Multimorbid prevalence |
---|---|---|---|---|---|---|---|---|---|---|
LSS with comorbid hip OA | ||||||||||
Kim, 2008a [39] | Korea | Cohort | LSS: secondary care surgical setting | 61 (NR) | 100% | Combined: undergoing surgery | 44 | Imaging: K/L grade 2-4 | 0 | 0% |
Saito, 2012 [44] | Japan | Cohort | LSS: secondary care surgical setting | NR | NR | Combined: low back and leg pain + MRI/myelography/CT | 420 | Imaging: not described | 15 | 4% |
Lee, 2012 [41] | Korea | Cross-sectional | LSS: secondary care surgical setting | 66 (8.4) | 100% | Combined: neurogenic claudication + MRI | 106 | Imaging: K/L grade 2-4 | 4 | 4% |
Schneider, 2019 [45] | USA | RCT | LSS: mixed general population/primary/secondary care | 72 (7.8) | 52% | Combined: clinical examination + MRI/CT | 259 | Clinical: ACR criteria | 43 | 17% |
Burgstaller, 2020 [37] | Switzerland | Cohort | LSS: eight secondary care centers | 73(8.5) | 52% | Combined: neurogenic claudication + MRI/CT | 601 | Clinical: self-reported | 102 | 17% |
Weiner, 2021 [46] | USA | Cohort | LSS: military veterans secondary care surgical setting | a | 3% | Combined: neurogenic claudication + MRI | 193 | Combined: ACR clinical + radiographic criteria | 68 | 35% |