Physical growth and intelligence development of discordant dizygotic twins from birth to preschool age: a prospective cohort study

Table 2 BSID results and WISC-IV results for Group Twin-L vs. Group Twin-H

Group	Twin-H	Twin-L	Paired-T	P
PDI	104.76 ± 15.81	96.09 ± 19.09	4.239	< 0.001
MDI	94.29 ± 19.84	90.26 ± 19.23	1.66	0.106
VCI	95.60 ± 9.41	94.94 ± 7.96	0.344	0.733
PRI	103.58 ± 11.87	99.61 ± 15.25	1.701	0.099
WMI	95.27 ± 10.97	94.73 ± 10.63	0.269	0.789
PSI	99.48 ± 10.87	97.55 ± 10.91	0.959	0.345
Full-scale IQ	97.94 ± 7.72	95.85 ± 9.29	1.383	0.176

Twin-H The group of Twin-High birthweight, Twin-L The group of Twin- Low birth weight
PDI Psychomotor development index, MDI Mental development index, VCI Verbal comprehension index, PRI Perceptual reasoning index, WMI Working memory index, PSI Processing speed index, IQ Intelligence quotient

ISSN: 1824-7288