Research Article

Prevalence and Pattern of Neurocognitive Impairment in Nigerians with Stages 3 to 5 Chronic Kidney Disease

Table 3

Comparison of the mean CSI’D performance between controls and CKD patients.

VariableMean (SD)t-valueP value

Total CSI’D
 Control
 CKD
54.0 (5.0)
42.6 (5.9)
13.10<0.001*
Language (naming)
 Controls
 CKD
6.9 (0.4)
5.7 (0.8)
11.78<0.001*
Language (definition)
 Controls
 CKD
4.0 (0.1)
3.9 (0.4)
1.730.164
Language (fluency)
 Control
 CKD
15.6 (4.2)
9.4 (3.8)
9.76<0.001*
Attention and calculation
 Controls
 CKD
3.0 (0.1)
2.8 (0.6)
3.10<0.001*
Orientation (time)
 Controls
 CKD
4.9 (0.3)
4.6 (1.1)
2.260.019*
Orientation (place)
 Controls
 CKD
4.9 (0.5)
4.5 (0.8)
4.05<0.001*
Memory (immediate recall)
 Controls
 CKD
4.6 (0.5)
4.5 (1.3)
8.50<0.001*
Memory (registration)
 Controls
 CKD
3.1 (0.4)
3.0 (0.3)
0.470.256
Praxis
 Controls
 CKD
6.9 (0.4)
5.3 (1.3)
10.50<0.001*

Statistically significant.