Table 4.

Neuropsychological test results (post).

	No PreCI nor POCD N = 168	PreCI N = 20	POCD N = 25
Paired associates learning (PAL)—memory score calculated for the first trial	15.5 (3.9) N = 164	10.6 (4.8) N = 18	10.7 (4.7) N = 24
Verbal recognition memory (VRM)—number of correctly remembered words in ‘Free recall’	6.4 (1.7) N = 167	4.5 (1.6) N = 19	5.2 (1.4)
Verbal recognition memory—number of correct and incorrect responses in ‘Delayed Recogniton’	21.8 (2.0) N = 164	19.3 (2.6) N = 17	20.0 (2.6) N = 24
Spatial span (SSP)—spatial length (longest correct recognition sequence of squares appearing in different order	5.0 (0.8) N = 166	4.6 (1.1) N = 18	4.6 (0.8)
Grooved pegboard (GP) [s]	88.0 (16.7) N = 164	116.1 (25.0) N = 18	112.2 (37.5)
Simple reaction time (SRT) [s] mean of correct trials (log-transformed and reversed)	309.4 (77.0) N = 167	347.4 (94.9) N = 19	418.4 (184.1)
Trail-making test B (TMT) [s]	102.7 (35.0) N = 162	118.7 (30.3) N = 11	123.3 (48.5) N = 22

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