Table 4

 Differences in rates of cognitive deterioration between those taking and not taking antipsychotic drugs

Cognitive testDeteriorationStatistics95% CI/IQRp Value
Taking antipsychoticsNot taking antipsychotics
ADAS-cog, Alzheimer’s Disease Assessment Scale—Cognitive Subscale; IQR, interquartile range; MMSE, Mini-Mental State Examination; SIB, severe impairment battery; t, T test; U, Mann–Whitney U test.
SIB, median (range)3.0 (−34 to 32)0 (−22 to 87)U = 1712.0IQR−3–40.247
MMSE, mean (SD)1.0 (3.1)0.9 (3.6)t = −0.295% CI −1.4 to 1.20.878
ADAS-cog, mean (SD)2.8 (8.0)1.4 (8.1)t = −0.895% CI −5.0 to 2.10.421