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Table 8 Associations between Neuropsychiatric Inventory subscores (frequency x severity) and psychotropic drug treatment If value 1 is not included in the 95% confidence interval, a significant association is indicated (p < 0.05); these results are printed in bold. 95% Confidence interval (lower boundary, upper boundary)

From: A bitter pill to swallow - Polypharmacy and psychotropic treatment in people with advanced dementia

NPI subscores

Antipsychotics (N05A) OR (CI 95%)

Antidepressants (N06A) OR (CI 95%)

Sedatives (=antipsychotic + anxiolytic + hypnotic drugs) OR (CI 95%)

Pain medication (=N02A+N02B) OR (CI 95%)

Delusions

1.06 (0.91-1.23)

1.13 (0.99-1.30)

1.06 (0.91-1.23)

1.02 (0.84-1.24)

Hallucinations

1.00 (0.83-1.20)

0.93 (0.78-1.12)

0.96 (0.80-1.15)

0.76 (0.54-1.07)

Agitation/Aggression

0.96 (0.84-1.11)

0.99 (0.87-1.13)

0.95 (0.83-1.10)

1.12 (0.95-1.33)

Depression

0.92 (0.81-1.04)

1.04 (0.93-1.17)

0.91 (0.80-1.02)

1.08 (0.94-1.25)

Anxiety

1.19 (1.04-1.36)

1.03 (0.91-1.16)

1.23 (1.06-1.43)

1.05 (0.90-1.23)

Euphoria

0.93 (0.78-1.11)

0.99 (0.83-1.18)

0.90 (0.76-1.07)

1.10 80.88-1.38)

Apathy

1.01 (0.94-1.09)

1.02 (0.95-1.09)

1.00 (0.94-1.08)

1.04 (0.94-1.14)

Disinhibition

0.98 (0.86-1.12)

1.11 (0.99-1.25)

0.96 (0.85-1.09)

0.94 (0.79-1.13)

Irritability

1.13 (0.99-1.29)

0.93 (0.81-1.07)

1.10 (0.96-1.26)

0.95 (0.80-1.14)

Aberrant motor behaviour

1.03 (0.95-1.11)

0.97 (0.90-1.05)

1.03 (0.96-1.12)

0.93 (0.84-1.04

Nighttime behaviour

1.10 (1.00-1.22)

0.93 (0.84-1.03)

1.09 (0.99-1.20)

0.84 (0.71-0.99)

Eating disturbances

1.02 (0.94-1.12)

1.01 (0.93-1.10)

1.04 (0.96-1.14)

1.01 (0.91-1.13)