Table 3 Neuropsychological test results (baseline).

From: Preoperative thalamus volume is not associated with preoperative cognitive impairment (preCI) or postoperative cognitive dysfunction (POCD)

 

No PreCI nor POCD

N = 243

PreCI

N = 34

POCD

N = 25

Paired associates learning (PAL)—memory score calculated for the first trial

14.0 (4.2)

N = 239

9.4 (4.5)

14.0 (3.5)

Verbal recognition memory (VRM)—number of correctly remembered words in ‘Free recall’

6.3 (1.9)

3.9 (1.8)

N = 32

6.7 (1.8)

N = 24

Verbal recognition memory—number of correct and incorrect responses in ‘delayed recognition’

21.8 (1.9)

N = 208

19.1 (2.4)

N = 27

22.4 (1.8)

N = 18

Spatial span (SSP)—spatial length (longest correct recognition sequence of squares appearing in different order

4.9 (0.9)

N = 241

4.0 (0.9)

4.6 (1.0)

Grooved pegboard (GP) [s]

93.1 (24.7)

N = 230

133.3 (43.7)

N = 32

93.5 (19.9)

N = 22

Simple reaction time (SRT) [s]—mean of correct trials (log-transformed and reversed)

309.0 (89.6)

N = 242

412.0 (151.8)

322.6 (88.4)

Trail-making test B (TMT) [s]

112.3 (39.1)

N = 222

174.5 (73.0)

N = 24

125.6 (64.0)

N = 22

  1. The table displays mean and standard deviation in parentheses for preoperative cognitive test results. In case of missing data, the N of patients with available data was added to items with cases of missing data.
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