Table 2 IQ and verbal fluency (VF) measures at adolescent and young adult assessments in the term and very preterm (VPT) groups (mean (SD))
AdolescentYoung adult
TermVPTt (df)p ValueTermVPTt (df)p Value
Full-scale IQ108.8 (13.2)99.1 (16.8)3.37 (123)0.001105.3 (12.8)96.6 (13.7)3.56 (130)0.001
Verbal IQ106.8 (10.8)97.9 (14.5)3.66 (129)<0.001102.0 (13.7)94.7 (15.9)2.60 (132)0.010
Performance IQ109.5 (16.5)100.7 (19.5)2.53 (126)0.012105.5 (14.8)99.5 (13.5)2.63 (131)0.010
Phonological VF32.9 (8.9)28.7 (9.0)2.60 (133)0.01042.1 (10.7)36.3 (10.8)2.73 (131)0.007
Semantic VF19.3 (4.6)19.9 (5.3)−0.41 (119)0.68422.1 (4.8)19.9 (5.4)1.76 (131)0.082
  • Significance testing using independent-sample t tests. p Values <0.05 are highlighted.