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Table 3 Summary of regression moderation analyses for left and right hippocampal volume outcomes (n = 526)

From: Moderating effects of sex on the impact of diagnosis and amyloid positivity on verbal memory and hippocampal volume

 

Left hippocampusa

Right hippocampusa

Variable

β Coefficient

p Value

95% CI

β Coefficient

p Value

95% CI

Amyloid PET positivity

−77.566

0.092

−167.751

12.619

−104.569

0.021

−192.943

−16.195

Diagnosis

−246.297

<0.0001

−328.569

164.024

−249.308

<0.0001

−333.037

165.578

Sex

−54.713

0.193

−137.229

27.802

−66.609

0.111

−148.498

15.28

A+ × diagnosis × sex

−57.528

0.726

−380.114

265.058

−276.81

0.089

−596.41

42.789

A+ × diagnosis

−137.015

0.094

−297.34

23.309

−123.397

0.127

−281.968

35.173

A+ × sex

90.467

0.259

−66.718

247.652

77.968

0.329

−78.934

234.869

Diagnosis × sex

−61.618

0.454

−223.256

100.021

−135.762

0.097

−296.177

24.654

Age

−26.758

<0.0001

−32.976

20.539

−30.667

<0.0001

−36.752

−24.583

Education

0.312

0.969

−15.337

15.962

−8.534

0.281

−24.0581

6.989

Modified MoCA

34

0.001

13.599

54.4

31.479

0.003

10.901

52.057

APOE ε4 carrier status

−15.354

0.742

−107.004

76.297

−29.992

0.513

−120.083

60.099

  1. Abbreviations: A + Florbetapir positron emission tomography amyloid positivity, APOE Apolipoprotein E, MoCA Montreal Cognitive Assessment, PET Positron emission tomography
  2. Age, education, and modified MoCA scores were centered at their means. Dichotomous variables were centered on zero. Left hippocampus overall model (R = 0.495, p < 0.0001); right hippocampus overall model (R = 0.533, p < 0.0001)
  3. a n = 524 after exclusions