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. 2023 Dec 20;14(1):3. doi: 10.3390/brainsci14010003

Table 2.

Pearson correlation coefficients for the associations of PAOFI Memory, Language, and Cognitive/Executive scores with scores on continuous measures of distress and neuropsychological tests.

PAOFI Domain Memory Language Cognitive/Executive
Measurement Domain
Cognitive Complaints
PAOFI Memory - 0.79 (r2 = 0.62) 1 0.84 (r2 = 0.71) 1
PAOFI Language - - 0.79 (r2 = 0.62) 1
PAOFI Cognitive/Executive - - -
Sociodemographic
Age 0.28 (r2 = 0.08) 3 0.13 (r2 = 0.02) 4 0.31 (r2 = 0.10) 2
Psychiatric
PHQ-9 0.68 (r2 = 0.46) 1 0.63 (r2 = 0.40) 1 0.72 (r2 = 0.52) 1
GAD-7 0.63 (r2 = 0.40) 1 0.62 (r2 = 0.38) 1 0.60 (r2 = 0.36) 1
PCL-5 0.65 (r2 = 0.42) 1 0.60 (r2 = 0.36) 1 0.61 (r2 = 0.37) 1
Medical
Acute COVID symptoms 0.48 (r2 = 0.23) 1 0.45 (r2 = 0.20) 1 0.45 (r2 = 0.20) 1
Appt. 1 COVID symptoms 0.57 (r2 = 0.32) 1 0.58 (r2 = 0.34) 1 0.62 (r2 = 0.38) 1
Chalder Fatigue Scale 0.64 (r2 = 0.41) 1 0.66 (r2 = 0.44) 1 0.66 (r2 = 0.44) 1
IADL −0.41 (r2 = 0.17) 1 −0.28 (r2 = 0.08) 3 −0.53 (r2 = 0.28) 1
Neuropsychological
TOPF −0.04 (r2 = 0.002) 4 −0.06 (r2 = 0.004) 4 −0.07 (r2 = 0.005) 4
RBANS Total Scale −0.45 (r2 = 0.20) 1 −0.36 (r2 = 0.13) 2 −0.39 (r2 = 0.15) 1
RBANS Immediate Memory −0.34 (r2 = 0.12) 2 −0.32 (r2 = 0.10) 2 −0.36 (r2 = 0.13) 1
RBANS Visuospatial/Constructional −0.38 (r2 = 0.14) 1 −0.29 (r2 = 0.08) 3 −0.32 (r2 = 0.10) 2
BBANS Delayed Memory −0.29 (r2 = 0.08) 3 −0.21 (r2 = 0.04) 4 −0.26 (r2 = 0.07) 3
RBANS Language −0.19 (r2 = 0.04) 4 −0.18 (r2 = 0.03) 4 −0.13 (r2 = 0.02) 1
RBANS Attention −0.39 (r2 = 0.15) 1 −0.28 (r2 = 0.08) 3 −0.30 (r2 = 0.09) 2
Trails A −0.27 (r2 = 0.07) 3 −0.18 (r2 = 0.03) 4 −0.25 (r2 = 0.06) 3
Trails B −0.37 (r2 = 0.14) 1 −0.32 (r2 = 0.10) 2 −0.32 (r2 = 0.10) 2
Letter Fluency −0.11 (r2 = 0.01) 4 −0.05 (r2 = 0.003) 4 −0.07 (r2 = 0.005) 4
Animal Fluency −005 (r2 = 0.003) 4 −0.06 (r2 = 0.004) 4 −0.11 (r2 = 0.01) 4
Stroop Color/Word −0.44 (r2 = 0.19) 1 −0.30 (r2 = 0.09) 2 −0.39 (r2 = 0.15) 1
MOCA −0.50 (r2 = 0.25) 1 −0.32 (r2 = 0.10) 2 −0.48 (r2 = 0.23) 1

1 p < 0.001; 2 p < 0.01; 3 p < 0.05; 4 p = Not statistically significant.