Table 3.

Neuropsychological test results (baseline).

	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

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.