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. Author manuscript; available in PMC: 2024 Jan 4.
Published in final edited form as: Am J Geriatr Psychiatry. 2023 Jun 15;31(12):1077–1087. doi: 10.1016/j.jagp.2023.06.002

TABLE 2.

Distribution of Covariates Included in Predictive Model Among Participants as per Index Score Decile Groups

All Deciles 1−2 Deciles 3−9 Decile 10

Response Better on methylphenidate ←→ Worse on methylphenidate
Covariates N(%) n(%) n(%) n(%)
Cholinesterase inhibitor 131 (74.4) 35 (97.2) 91 (74.0) 5 (29.4)
Without agitation 118 (67.0) 34 (94.4) 81 (65.9) 3 (17.6)
Without anxiety 125 (71.0) 31 (86.1) 90 (73.2) 4 (23.5)
Age
 52−72y 56 (31.8) 22 (61.1) 29 (23.6) 5 (29.4)
 73−79y 57 (32.4) 7 (19.4) 46 (37.4) 4 (23.5)
 >=80y 63 (35.8) 7 (19.4) 48 (39.0) 8 (47.1)
ADCS-ADL
 10−46 58 (33.0) 21 (58.3) 36 (29.3) 1 (5.9)
 47−59 57 (32.4) 2 (5.6) 41 (33.3) 14 (82.4)
 60−77 61 (34.7) 13 (36.1) 46 (37.4) 2 (11.8)
Diastolic blood pressure
 50−72 63 (35.8) 2 (5.6) 50 (40.7) 11 (64.7)
 73−80 63 (35.8) 19 (52.8) 41 (33.3) 3 (17.6)
 81−109 50 (28.4) 15 (41.7) 32 (26.0) 3 (17.6)

ADCS-ADL: Alzheimer’s Disease Cooperative Scale-Activities of Daily Living.