Table 2. Distribution of 10-year cardiovascular risk scores for 334 participants at NHS Health Checks before and after adjustment for systolic inter-arm blood pressure difference
Risk scoreBefore adjustment for systolic inter-arm differenceAfter adjustment for systolic inter-arm differenceDifferences
No (%) above risk intervention thresholdaMean (SD)No (%) above risk intervention thresholdaAdjusted mean (SD)No (%) reclassified above thresholdbP value (χ2)Mean difference (SD)bP value (t-test)
QRISK2104 (31.1)8.0 (6.9)117 (35.0)8.9 (7.7)13 (3.9)<0.0010.8 (1.4)<0.001
ASCVD89 (26.6)6.9 (6.5)92 (27.5)7.1 (6.7)3 (0.9)<0.0010.3 (0.5)<0.001
Framingham78 (23.4)10.7 (8.1)87 (26.0)11.2 (8.5)9 (2.7)<0.0010.4 (0.7)<0.001
  • aIntervention threshold is 10-year cardiovascular risk ≥10% for QRISK2 and ASCVD, ≥15% for Framingham. bRow proportions and means do not always total due to rounding.

  • No = number.