Table 5

Multivariable analysis of sedative medication as risk factor associated with delirium

Variables	P value	aOR	95% CI
Age (years)
≤40	0.142	2.53	0.74 to 8.7
>40	0.142	Ref	0.74 to 8.7
Gender
Male	0.296	0.46	0.11 to 1.96
Female	0.296	Ref	0.11 to 1.96
BMI (kg/m²)
≥25	0.699	1.27	0.38 to 4.30
<25	0.699	Ref	0.38 to 4.30
Midazolam
Yes	0.002	7.37	2.04 to 26.61
No	0.002	7.37	2.04 to 26.61
Propofol
Yes	0.003	7.02	1.92 to 25.76
No	0.003	7.02	1.92 to 25.76

Model accuracy=83.9%. Nagelkerke R²=33%.
aOR, adjusted OR; BMI, body mass index.