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. Author manuscript; available in PMC: 2014 Jul 1.
Published in final edited form as: Hemodial Int. 2012 Jun 20;17(1):24–31. doi: 10.1111/j.1542-4758.2012.00718.x

Table 3.

Cognitive function in hemodialysis patients

Test Test Description N Mean ± SD
MMSE Screen 314 26.7 ± 2.8
NAARTVIQ Intelligence 311 102.3 ± 12.2
Delay Recall Primarily Cortical (Memory) 309 4.4 ± 2.7
Immediate Recall Primarily Cortical (Learning) 312 23.8 ± 7.2
Recognition Primarily Cortical (Recognition) 310 20.7 ± 3.0
Block Design Primarily Subcortical (executive functioning and processing speed) 307 26.1 ± 10.6
Digit Symbol 282 40.1 ± 17.0
Trails A 293 61.3 ± 39.6
Trails B 289 136.9 (64.7) 20.8% non completers
CESD Depression 311 10.6 (8.1)

Test results are mean ±standard deviation. Raw scores represent number correct, except for Trails A and B, which are reported in seconds required to complete the task. For Trails B 21% were unable to complete the testing within 300 seconds. MMSE=mini mental state exam. NAARTVIQ= North American Adult Reading Test Verbal IQ. CESD=Center for Epidemiological Studies of Depression