Table 4 Associates of systolic and diastolic blood pressure in extremely preterm and comparison children
Extremely pretermComparison
Systolic
Height (/cm)0.78 (0.53 to 1.0)0.45 (0.23 to 0.66)
BMI for height*1.35 (0.40 to 2.3)2.1 (1.3 to 2.8)
Diastolic
Height (/cm)0.47 (0.26 to 0.69)0.31 (0.09 to 53)
BMI for height*1.1 (0.37 to 1.9)0.97 (0.20 to 1.7)
Afro-Caribbean ethnic group3.7 (−0.1 to 7.5)6.0 (0.9 to 11.2)
  • Results expressed as effect size in mm Hg with 95% confidence intervals.

  • *Calculated as the residuals of the regression of body mass index (BMI) on height in all the children.