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Table 3 Correlations between self-reported questionnaires and cognitive domains with Spearman Rho, excluding participants with poor performance validity in chronic Q fever and QFS patients

From: Objective cognitive performance and subjective complaints in patients with chronic Q fever or Q fever fatigue syndrome

 

Fatigue

Depressive symptoms

Cognitive complaints

Correlation

Coefficient

P-value

Correlation

Coefficient

P-value

Correlation

Coefficient

P-value

Chronic Q fever patients (n = 18)

 Episodic Memory

0.005

0.985

−0.120

0.636

0.686

0.002

 Working Memory

0.117

0.645

0.124

0.623

0.408

0.093

 Processing Speed

0.149

0.555

0.086

0.733

−0.012

0.961

 Executive Functions

−0.128

0.612

0.102

0.687

0.420

0.082

QFS patients

(n = 25)

 Episodic Memory

0.480

0.013

−0.194

0.342

0.214

0.294

 Working Memory

0.191

0.349

−0.288

0.154

0.209

0.305

 Processing Speed

0.000

0.999

−0.232

0.253

−0.140

0.495

 Executive Functions

0.195

0.340

0.062

0.762

−0.120

0.558