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. Author manuscript; available in PMC: 2021 Sep 30.

Published in final edited form as: J Alzheimers Dis. 2021;80(1):421–432. doi: 10.3233/JAD-201326

Table 5.

Distribution of Presenting and Most Disturbing Symptoms by Dementia Etiology

Symptom, %	First Symptom			Most Disturbing Symptom
Symptom, %	DLB	AD	PDD	DLB	AD	PDD
Cognitive	41.0	68.1	24.2	31.9	40.6	49.2
Motor	13.6	5.8	58.1	19.1	11.6	14.8
Behavior	15.9	7.2	1.6	21.5	20.3	14.8
Language	4.3	3.2	2.9	9.9	11.6	3.3
Personality	3.1	7.2	0.0	6.3	7.2	6.6
Mood	6.3	7.2	6.5	7.1	7.2	9.8
Sleep	17.2	0.0	6.5	7.1	7.2	9.8
Chi-Square	χ² = 112.9, p <0.001			χ² = 13.9, p = 0.30

DLB, dementia with Lewy bodies; AD, Alzheimer’s disease; PDD, Parkinson’s disease dementia.