Table 3 Risk factors for dementia in psychiatric inpatients with late-onset psychiatric symptoms

Age (years) (≥66 vs ≤65)

7.49 (3.25–17.26)

<0.001

9.09 (3.71–22.26)

<0.001

Sex (M vs F)

2.23 (1.08–4.59)

0.029

3.14 (1.34–7.37)

0.009

Initial symptom (CD vs NPS)

24.66 (7.84–77.58)

<0.001

57.42 (10.54–312.88)

<0.001

Hallucination

2.95 (1.25–6.94)

0.013

2.62 (0.96–7.19)

0.061

Agitation

3.29 (1.57–6.91)

0.002

3.49 (1.45–8.39)

0.005

Apathy

6.12 (2.73–13.74)

<0.001

6.97(2.62–18.51)

<0.001

Irritability

2.48 (1.14–5.38)

0.022

1.98 (0.83–4.75)

0.124

AMB

2.78 (1.33–5.81)

0.007

2.16 (0.93–5.01)

0.072