Table 4.

Relationship in children (n = 608) between anxiety (parental observation) and intellectual functioning for total IQ score, Verbal Comprehension Index (VCI) and Perceptual Reasoning Index (PRI)^a

WISC-IV	n	Anxiety
		Yes		No		Fisher exact test
		n	%	n	%	χ2(1)	P
Total IQ						3.83	0.819
IQ ≥ 130	211	170	80.7	41	19.3
IQ < 130	397	317	79.8	80	20.2
VCI						0.749	0.848
VCI ≥ 130	180	143	79.6	37	20.4
VCI < 130	417	335	80.3	82	19.7
PRI						0.559	0.091
PRI ≥ 130	28	19	66.7	9	33.3
PRI < 130	580	469	80.8	111	19.2

^a.The results are expressed as the frequency of children with anxiety or without anxiety when children are grouped with respect to the 130 cut-off of intellectual giftedness for total IQ score, VCI and PRI.

WISC-IV, Wechsler Intelligence Scale-IV.