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Table 4 Requirement for enrichment training for those rating ADAS-cog11

From: Alzheimer’s disease progression by geographical region in a clinical trial setting

Trial

North America

Western Europe/Israel

South America

Eastern Europe/Russia

Japan

Asia

Australia/South Africa

Overall

( n = 832)

( n = 412)

( n = 196)

( n = 195)

( n = 191)

( n = 169)

( n = 84)

( N = 2,079)

IDENTITY

26/167 (16)

25/139 (18)

14/39 (36)

9/54 (17)

20/48 (42)

14/40 (35)

5/28 (18)

113/515 (22)

EXPEDITION

23/145 (16)

8/90 (9)

7/41 (17)

4/30 (13)

16/51 (31)

9/23 (39)

9/23 (39)

76/403 (19)

  1. Data presented as raters in the study who had required enrichment training/total number of raters in the study (%). ADAS-cog11, 11-item Alzheimer’s disease Assessment Scale – cognitive subscale.