Table 2 Mean volume change of selected structures in % with corresponding sample sizes for different clinical groups. Standard deviation in parentheses.

From: Structural brain imaging in Alzheimer’s disease and mild cognitive impairment: biomarker analysis and shared morphometry database

bl → m12

hippocampus

inf. lat. vent.

lat. vent.

med. temp. gyr.

brain tissue

ventricles

white matter

cort. GM

deep GM

Atrophy rates

HC

−1.1 (1.7)

1.8 (3.3)

3.0 (3.2)

−1.1 (1.5)

−0.5 (0.8)

2.8 (3.0)

−0.2 (0.7)

−0.8 (1.4)

−0.8 (1.3)

sMCI

−1.7 (2.2)

2.6 (3.8)

3.6 (3.3)

−1.4 (1.8)

−0.6 (0.8)

3.4 (3.1)

−0.4 (0.7)

−0.8 (1.3)

−0.7 (1.3)

pMCI

−4.1 (3.2)

6.7 (5.6)

7.1 (4.6)

−3.1 (2.4)

−1.2 (1.0)

6.8 (4.3)

−0.6 (0.9)

−1.8 (1.7)

−1.3 (1.2)

AD

−4.8 (3.7)

7.5 (5.5)

7.6 (4.9)

−3.8 (2.7)

−1.3 (1.1)

7.2 (4.6)

−0.8 (1.0)

−1.9 (2.3)

−1.4 (1.6)

Sample sizes

sMCI (uncor.)

412

548

217

384

383

215

966

674

739

sMCI (HC-cor.)

3130

5190

7499

8823

17269

6337

2834

18432936

1429741

pMCI (uncor.)

155

175

104

143

168

100

488

235

218

pMCI (HC-cor.)

284

321

309

351

535

285

864

813

1349

AD (uncor.)

148

134

104

133

182

101

413

366

336

AD (HC-cor.)

244

228

285

270

493

265

640

640

1133

blm24

hippocampus

inf. lat. vent.

lat. vent.

med. temp. gyr.

brain tissue

ventricles

white matter

cort. GM

deep GM

Atrophy rates

HC

−2.0 (2.3)

3.5 (4.5)

6.3 (4.0)

−2 (1.6)

−1.1 (0.8)

5.8 (3.7)

−0.6 (0.8)

−1.6 (1.7)

−1.3 (1.3)

sMCI

−3.7 (3.8)

6.2 (6.5)

7.5 (6.0)

−2.6 (2.6)

−1.2 (1.0)

7.1 (5.6)

−0.8 (1.0)

−1.7 (1.5)

−1.2 (1.0)

pMCI

−8.9 (5.1)

14.6 (8.9)

14.4 (7.9)

−6.1 (3.9)

−2.3 (1.5)

13.7 (7.4)

−1.6 (1.3)

−3.2 (2.5)

−2.1 (1.4)

AD

−10.2 (6.2)

15.9 (8.8)

15.4 (8.5)

−6.8 (4.1)

−2.6 (1.3)

14.7 (7.8)

−1.8 (1.4)

−3.5 (2.4)

−2.3 (1.8)

Sample sizes

sMCI (uncor.)

264

274

158

246

173

158

370

215

176

sMCI (HC-cor.)

1166

1446

6179

4588

23154

5166

4764

102542

23243

pMCI (uncor.)

82

92

76

105

99

73

163

155

107

pMCI (HC-cor.)

136

160

241

233

372

220

412

618

782

AD (uncor.)

93

76

75

92

67

71

145

123

162

AD (HC-cor.)

142

126

217

185

216

195

316

420

980

  1. Measurements based on volume change from baseline to 12 months (top table) or 24 months (bottom table) follow-up visit. Corrected sample sizes were computed on the excess change over normal aging.