Article Figures & Data
Figures
- Figure 1
- Percent classified as cognitively impaired according to different cutoffs on the X-axis with both versions of the Montreal Cognitive Assessment (MoCA).
Tables
- Table 1
- Baseline characteristics and scores; M±SD; row percentages are provided for the variables: dialysis vintage, diabetes, ischemic heart disease, and hypertension.
Characteristics Hemodialysis n=56 Peritoneal dialysis n=27 n (%), M±SD Age 51.41±15.32 47.04±15.7 t (81) =1.21, p=0.23 Gender F 30 (53.6) M 26 (46.4) F 7 (25.9) M 20 (74.1) X2(1)=5.63, p=0.02 Years of education 9.72±5.9 11.44±4.46 t (80)=-1.34, p=0.18 Dialysis vintage (months) 66.42±74.68 41.04±37.88 t (80)=1.66, p=0.1 Ischemic heart disease 16 (88.9) 2 (11.1) X2 (1)=4.8, p=0.028 Diabetes 23 (65.7) 12 (34.4) X2 (1)=0.09, p=0.77 Hypertension 46 (64.8) 25 (35.2) X2 (1)=1.61, p=0.21 MoCA-A 19.96±5.74,(range 7 – 30) 23.11±3.78, (range 14 – 29) t (78)=-2.57, p=0.01 MoCA-B 22.44±5.46, (range 9 – 30) 25.56 (3.66), (range 16 – 29) t (75)=-2.58, p=0.01 MoCA - Montreal Cognitive Assessment Regression MoCA-A MoCA-B Coef. (SE) t-score, p-value 95% C.I. Coef. (SE) t-score, p value 95% C.I. Univariate age -0.18 (0.03) -5.49, < 0.0001 -0.25, -0.12 -0.19 (0.03) -6.43, <0.0001 -0.25, -0.13 Years of education 0.61 (0.08) 7.28, < 0.0001 0.45, 0.78 0.57 (0.08) 6.72, <0.0001 0.4, 0.74 Dialysis Vintage 0.004 (0.01) 0.49, 0.624 -0.01, 0.02 0.01(0.01) 1.19, 0.24 -0.01, 0.03 Male gender 2.23 (1.19) 1.88, 0.064 -0.13, 4.59 1.96 (1.17) 1.68, 0.1 -0.37, 4.29 IHD -1.75 (1.46) -1.2, 0.23 -4.65, 1.15 -2.39 (1.46) -1.63, 0.11 -5.3, 0.53 DM -3.03 (1.17) -2.58, 0.01 -5.37, -0.7 -3.08 (1.14) -2.69, 0.009 -5.35, -0.8 HTN -3.4 (1.64) -2.07, 0.04 -6.67, -0.13 -3.41 (1.57) -2.16, 0.034 -6.55, -0.27 Peritoneal Dialysis 3.15 (1.22) 2.58, 0.01 0.72, 5.58 3.12 (1.21) 2.58, 0.012 0.71, 5.52 Multivariate Age -0.1 (0.03) -3.28, 0.002 -0.16, -0.04 -0.12 (0.03) -4.19, <0.0001 -0.18, -0.06 Years of education 0.47 (0.09) 5.5, <0.0001 0.3, 0.64 0.39 (0.08) 4.75, <0.0001 0.23, 0.55 DM -0.12 (0.93) -0.13, 0.9 -1.98, 1.74 -0.37 (0.89) -0.42, 0.67 -2.15, 1.39 HTN -2.21 (1.21) -1.82, 0.07 -4.62, 0.21 -1.98, (1.14) -1.73, 0.09 -4.3, 0.3 Peritoneal Dialysis 2.23 (0.91) 2.46, 0.02 0.42, 4.04 1.97 (0.89) 2.22, 0.03 0.21, 3.73 DM- Diabetes Mellitus, HTN - Hypertension, IHD - Ischemic Heart Disease, MoCA - Montreal Cognitive Assessment, SE - Standard Error, CI - Confidence Interval - Table 3
- Results of each subcomponent from both MoCA scales, mean scores, and proportion of participants with a full score are displayed. N represents total participants who completed the task, n represents the number of participants who obtained a full score on a particular task, and SD: standard deviation.
HD PD P-value HD PD P-value N mean sd N mean sd n proportion n proportion MoCA-B Executive 55 0.47 0.5 27 0.74 0.45 0.02* 26 0.47 20 0.74 0.02* Recall 55 2.71 1.71 27 3.44 1.4 0.56 9 0.16 6 0.22 0.51 Fluency 55 1.2 0.1 27 1.44 0.13 0.15 21 0.38 15 0.56 0.12 Orientation 52 5.6 0.11 27 5.78 0.1 0.27 38 0.73 22 0.81 0.43 Calculation 55 2.02 1.05 27 2.56 0.85 0.02* 25 0.45 20 0.74 0.01* Abstraction 55 2.22 1.1 27 2.56 0.8 0.16 33 0.6 19 0.7 0.38 Visuospatial 55 2.2 1.15 27 2.19 1 0.95 33 0.6 13 0.48 0.43 Naming 55 3.73 0.62 27 3.93 0.27 0.12 45 0.82 25 0.93 0.13 Attention 55 2.18 1.07 25 2.44 0.77 0.28 28 0.51 14 0.56 0.68 MoCA-A Visual/executive 54 2.8 1.67 27 3.44 1.55 0.12 12 0.22 8 0.3 0.43 Naming 55 2.85 0.4 27 2.96 0.19 0.19 48 0.87 26 0.96 0.21 Recall 55 2.35 1.77 27 3.52 1.42 0.004* 8 0.15 7 0.26 0.23 Attention 55 3.87 1.96 27 4.33 1.33 0.27 14 0.25 7 0.26 0.92 Language 55 1.6 0.83 27 1.78 0.75 0.35 8 0.15 4 0.15 1 Abstract 54 1.19 0.73 27 1.37 0.69 0.28 20 0.37 13 0.48 0.34 Orientation 55 5.36 0.95 27 5.7 0.54 0.9 34 0.62 20 0.74 0.28 MoCA - Montreal Cognitive Assessment, HD - Hemodialysis, PD - Peritoneal Dialysis
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