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Table 4 Significant Relationships between peak cluster volumes and clinical parameters (Bcl-2 G-carriers)

From: Associations of Bcl-2 rs956572 genotype groups in the structural covariance network in early-stage Alzheimer’s disease

Seed region

EC

PCC

PCC

PCC

dLPFC

Peak cluster

Superior frontal

cerebellum

cerebellum

Sub-lobar

Superior frontal

Covariance strength relationship

G < AA

G > AA

G > AA

G < AA

G < AA

MNI coordinate

(12,14,57)

(-33,-57,-21)

(-23,-55,-20)

(-23,8,14)

(14,41,39)

Mini-mental state examination

0.017

0.340

0.261 a

-0.171

-0.227 a

T1 to T4 trial scores

-0.108

0.374 b

0.291 a

-0.159

-0.112

30 second recalls

-0.049

0.362 b

0.193

-0.104

-0.112

10 minute recalls

-0.037

0.259 a

0.197

-0.087

-0.192

Modified Rey-Osterrieth Recall

-0.040

0.273 a

0.177

-0.056

-0.118

Modified Rey-Osterrieth Copy

-0.115

0.270 a

0.181

-0.020

-0.090

Visual object and Space Perception

-0.009

0.178

-0.007

-0.059

-0.084

Semantic fluency: Animal

-0.119

0.256 a

0.161

-0.083

-0.206

Boston Naming Test

0.093

0.374 b

0.214

-0.073

-0.144

Comprehension

-0.045

0.317 b

0.321 b

-0.420 b

-0.148

Digit backward

0.006

0.268

0.198

-0.240 a

-0.112

Stroop Interference Correct

-0.255 a

0.234

0.152

-0.085

-0.118

Design fluency

0.058

0.228

0.049

-0.015

-0.113

Trail making test time

0.066

-0.230 a

-0.076

0.201

0.194

Correct line in Trail making

-0.139

0.286 a

0.181

-0.163

-0.074

Neuropsychiatric Inventory

-0.068

-0.050

-0.064

-0.042

0.197

  1. Numbers indicate Spearman correlation coefficient; ap < 0.05; b p <0.01; EC entorinal cortex, PCC posterior cingulate cortex, dLPFC dorsolateral prefrontal cortex