Table 7 Associations between neurological outcomes and neuropsychological testing at 18 years of age.

	Full scale IQ	Verbal IQ	Performance IQ
Total neurology	−0.340	−0.307	−0.250
	p<0.001	p = 0.001	p = 0.005
Primary subtotal	−0.132	0.078	−0.127
	p = 0.148	p = 0.392	p = 0.165
Integrative subtotal	−0.466	−0.446	−0.328
	p<0.001	p<0.001	p<0.001
Sensory integration	−0.254	−0.265	−0.187
	p = 0.005	p = 0.003	p = 0.039
Motor confusion	−0.422	−0.392	−0.302
	p<0.001	p<0.001	p = 0.001
Sequencing	−0.380	−0.364	−0.260
	p<0.001	p<0.001	p = 0.004

Partial correlation analyses (Kendall partial rank correlations) in very preterm cases, controlling for age at assessment and social class, showing associations between neurological outcomes at 18 years of age and neuropsychological testing at 18 years of age.