Table 1 Characteristics of included studies
From: Prevalence and risk factors of postoperative delirium after spinal surgery: a meta-analysis
Author,, year | Country | Year of survey | Type of operation | Age (mean, y) | Study design | Sample size | n (delirium) | Delirium assessment |
|---|---|---|---|---|---|---|---|---|
Kawaguchi et al. 2006 [30] | Japan | 2000–2002 | Mixed spine surgery | 59.2 | Retrospective cohort study | 341 | 13 | CAM |
Cho et al. 2007 [21] | Korea | NA | Degenerative lumbar scoliosis surgery | 66.6 | Retrospective cohort study | 47 | 2 | NA |
Gao et al. 2008 [27] | China | (May–November) 2007 | Mixed spine surgery | 48.2 | Cross-sectional | 549 | 18 | DOS |
Ushida et al. 2009 [45] | Japan | 2003–2007 | Cervical surgery | 69.8 | Retrospective cohort study | 122 | 26 | DOS |
Lee and Park 2010 [36] | Korea | 2000–2007 | Degenerative lumbar disease | 73.5 | Retrospective cohort study | 217 | 11 | CAM |
Kelly et al. 2012 [31] | Canada | 2009–2010 | Degenerative spondylolisthesis surgery | 66.08 | Cross-sectional | 92 | 5 | NA |
Li et al. 2012 [37] | China | 2007–2011 | Mixed spine surgery | 75.3 | Retrospective cohort study | 1216 | 116 | CAM |
Bollen et al. 2013 [19] | The Netherlands | 2001–2010 | Spinal epidural metastases surgery | 59 | Cross-sectional | 106 | 3 | NA |
Fineberg et al. 2013 [26] | The United States | 2002–2009 | Lumbar decompression and fusion surgery | 55.1 | Retrospective database study | 578,457 | 4857 | ICD-9-CM |
Dea et al. 2014 [23] | The Netherlands | 2009–2012 | Oncological spine surgery | 61.9 | Cross-sectional | 101 | 21 | NA |
Seo et al. 2014 [42] | Korea | 2012–2013 | Mixed spine surgery | 70.1 | Case-control study | 70 | 17 | DSM-5 |
Glennie et al. 2015 [28] | Canada | 2009–2013 | Thoracic and lumbar spine fracture surgery | 44.3 | Case-control study | 276 | 38 | NA |
Brown et al. 2016 [20] | The United States | 2012–2014 | Mixed spine surgery | 74 | Case-control study | 89 | 36 | CAM-18, CAM-ICU19, and validated chart review |
Radcliff et al. 2016 [41] | The United States | 2010–2012 | Cervical spine surgery | 72.3 | Retrospective database study | 2792 | 157 | NA |
Elsamadicy et al. 2017 [24] | The United States | 2005–2015 | Spine deformity surgery | 61.4 | Retrospective cohort study | 923 | 66 | DSM-V criteria |
Jiang et al. 2017 [29] | China | 2010–2015 | Mixed spine surgery | 65.1 | Cross-sectional | 451 | 42 | Clinical Dementia Rating and Global Deterioration Scale |
Kobayashi et al. 2017 [35] | Japan | NA | Mixed spine surgery | Aged 80 years or older | Retrospective database analysis | 262 | 15 | NA |
Soh et al. 2017 [43] | Korea | 2014–2015 | Mixed spine surgery | Aged 73 years or older | Prospective observational study | 109 | 9 | ICDSC and CAM-ICU |
Adogwa et al. 2018 [18] | The United States | NA | Degenerative scoliosis surgery | Aged 65 years or older | Retrospective cohort study | 82 | 22 | CAM |
Kim et al. 2018 [32] | Korea | 2015–2016 | Mixed spine surgery | 71.7 | Prospective cohort study | 104 | 15 | CAM |
Kobayashi et al. 2018 [35] | Japan | 2008–2013 | Mixed spine surgery | 91.3 | Prospective database | 35 | 11 | NA |
Morino et al. 2018 [38] | Japan | 2012–2014 | Mixed spine surgery | 64.2 | Retrospective cohort study | 532 | 59 | DSM-IV |
Susano et al. 2018 [44] | The United States | 2015–2017 | Mixed spine surgery | 73.6 | Case-control study | 716 | 127 | NA |
Cui et al. 2019 [22] | China | 2016–2018 | Mixed spine surgery | 70.2 | Case-control study | 436 | 112 | CAM |
Elsamadicy et al. 2019 [25] | The United States | 2010–2015 | Mixed spine surgery | 54.7 | Retrospective cohort study | 138 | 15 | CAM |
Kin et al. 2019 [33] | Japan | 2014–2018 | Surgery for cervical spondylotic myelopathy | 69.6 | Retrospective cohort study | 67 | 10 | CAM |
Oe et al. 2019 [39] | Japan | 2010–2017 | Spinal deformity surgery | 65.8 | Retrospective cohort study | 319 | 30 | CAM |
Pan et al. 2019 [40] | Korea | 2015–2016 | Lumbar spine surgery | 71.4 | Retrospective cohort study | 83 | 12 | CAM |