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Table 1 Participant characteristics at baseline

From: A longitudinal study of anxiety and cognitive decline in dementia with Lewy bodies and Alzheimer’s disease

Characteristics Total (n = 194) AD (n = 122) DLB (n = 72) p Value*
Age, yr (SD) 75.8 (7.6) 75.7 (7.8) 76.0 (7.3) 0.951
Women, n (%) 122 (62.9) 90 (73.6) 32 (44.4) <0.001
Education, yr (SD) 9.6 (2.9) 9.6 (3.0) 9.6 (2.9) 0.851
MMSE, mean (SD) 23.5 (2.7) 23.6 (2.3) 23.3 (3.1) 0.693
CDR-Global, median (IQR) 1.0 (0.5) 1.0 (0.5) 1.0 (0.5) 0.071
NPI anxiety, mean (SD) 1.8 (3.0) 1.5 (2.7) 2.2 (3.6) 0.197
NPI depression, mean (SD) 2.0 (2.6) 1.9 (2.5) 2.4 (2.7) 0.147
NPI total, mean (SD) 18.5 (17.3) 15.6 (16.0) 23.7 (18.2) 0.001
MADRS anxiety, median (IQR) 0 (2) 0 (2) 1 (2) 0.109
Clinically significant anxiety, % (median/IQR) 19.9 18.6 (6/4) 22.1 (8/8) 0.237
Non–clinically significant anxiety, % (median/IQR) 80.1 81.4 (0/0) 77.9 (0/1) 0.204
  1. Abbreviations: AD Alzheimer’s disease, DLB Dementia with Lewy bodies, MMSE Mini Mental State Examination, CDR Clinical Dementia Rating, IQR interquartile range, NPI Neuropsychiatric Inventory, MADRS Montgomery–Åsberg Depression Rating Scale, SD standard deviation
  2. *Differences between the AD and DLB groups were analysed using the Mann-Whitney U test and Pearson’s χ 2 test
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