Table 3

Results of mental development testing using the British Ability Scales (BAS-II)

Umbilical artery EDFV pattern
Forward (n=39)Absent (n=27)Reversed (n=9)
*p=0.049, reversed versus forward; p=0.048, reversed versus absent.
†p=0.023, reversed versus forward; p=0.025, reversed versus absent.
General conceptual ability
    Mean score101101.187.7*
    (95% CI of mean)(97–105)(95–107)(71–105)
Distribution of GCA scores
    <70 2 12
    70–84 2 31
    85–11531186
    115+ 4 5
Verbal ability
    Mean score102.5103.890.2
    (95% CI of mean)(98–107)(97–111)(70–111)
Non-verbal reasoning
    Mean score104.4104.292.6
    (95% CI of mean)(99–110)(97–111)(75–110)
Spatial/pictorial ability
    Mean score96.396.280.7†
    (95% CI of mean)(91–102)(90–102)(64–97)