| Dementia group | Non-dementia group | ||
---|---|---|---|---|
Predictive factors | Odds ratio (95% CI) | p value | Odds ratio (95% CI) | p value |
Predictive factors for morbidity by group | ||||
 Emergent operations | 3.56 (1.0–12.67) | .05 | 3.20 (1.20–8.55) | .02 |
 ASA classification > 2 | 1.15 (0.41–3.22) | .79 | .38 (.17–.84) | .02 |
 Cardiac arrhythmia | 2.87 (0.91–9.02) | .07 | 2.05 (0.68–6.19) | .21 |
 Diabetes mellitus | .89 (0.30–2.66) | .84 | 2.77 (0.94–8.21) | .07 |
 Age ≥ 75 years | 0.34 (0.11–1.04) | .06 | 1.50 (.56–3.92) | .41 |
Predictive factors for mortality by group | ||||
 ASA classification > 2 | 2.98 (1.22–7.26) | .02 | 5.18 (1.23–21.83) | .03 |
 Pulmonary complication | .07 (.02–.23) | <.001 | .02 (.002–.09) | <.001 |
 Wound complication | 1.28 (.43–3.84) | .66 | .15 (.02–.93) | .04 |
 Age ≥ 75 years | 4.04 (.91–17.90) | .07 | 2.12 (.40–11.15) | .38 |
 Cardiac arrhythmia | .96 (.34–2.67) | .94 | 1.87 (.36–9.73) | .48 |
 Emergent operation | 1.34 (.43–4.54) | .59 | 0.32 (0.07–1.40) | .13 |