Table 3.

Summary of the cognitive function tests in the BP1–BP2 deletion group and non-carriers.

	15q11.2 del				No 15q11.2 del
Test	N	Mean	Median	SE	N	Mean	Median	SE	p value
Reaction time (ms)	1781	574.60	551.0	2.789	475,318	556.80	536.0	0.160	1.38E−13
Fluid intelligence score	556	5.40	5.0	0.080	158,373	5.99	6.0	0.005	8.02E−09
Numeric memory	188	6.07	6.0	0.140	50,158	6.48	7.0	0.008	9.00E−06
Pairs matching	1808	0.61	0.0	0.030	480,590	0.54	0.0	0.002	2.59E−03