Intracranial arachnoid cysts: impairment of higher cognitive functions and postoperative improvement

Table 2 Performance of the patients with cysts group (n = 22) and the control group (n = 13) at preoperative test 1

Test	Patient group^a		Control group^a		Statistics^b
	Mean	SD	Mean	SD	F	P	Eta squared
Color-Word Interference test, STC
Color naming	33.63	6.98	28.15	4.54	9.43	<0.01	0.22
Word reading	25.36	4.7	23.92	4.35	-	NS	-
Inhibition	69.14	23.45	54.62	16.46	10.03	<0.01	0.23
Inhibition/switching	81.64	25.37	69.31	13.62	9.02	<0.01	0.22
Verbal Fluency test, NWP
Letter fluency	36.27	10.68	55.23	13.31	21.47	<0.01	0.39
Category fluency	37.18	8.08	44.54	6.24	8.53	<0.01	0.21
Category switching	13.27	2.86	17.92	3.5	19.71	<0.01	0.37
Total switching accuracy	12.55	2.94	17	3.39	17.91	<0.01	0.35
Tower test, TAS
Total achievement score	16.73	2.68	24.17	3.74	50.09	<0.01	0.61

^aValues for means and SDs are reported in raw scores; ^bstatistics reported (F, P, eta squared) are according to scaled scores. NS, no significant difference between the groups; NWP, number of words produced in 60 seconds; STC, seconds to complete trial; TAS, total achievement score.

ISSN: 1866-1955