Table 5 Meta-analysis of risk factors for postoperative delirium in spine surgery
From: Prevalence and risk factors of postoperative delirium after spinal surgery: a meta-analysis
Outcomes | Number of trials | OR (95% CI) | I2 (%) |
|---|---|---|---|
Age | 10 | 1.61 (1.05–2.47) | 99.2 |
Sex (men) | 4 | 1.11 (0.36–3.46) | 60.3 |
Hemoglobin < 100 g/L | 2 | 0.61 (0.19–1.97) | 76 |
Central nervous system disorder | 5 | 4.73 (4.30–5.19) | 0 |
Blood loss | 5 | 1.10 (1.01–1.20) | 93.3 |
Blood transfusion | 2 | 2.57 (0.95–6.93) | 0 |
Operative time | 2 | 0.99 (0.97–1.01) | 0 |
MMSE score | 3 | 1.03 (0.62–1.69) | 84.6 |
ASA score | 2 | 4.25 (0.86–20.93) | 92 |