Table 3

 Estimation of coefficients of linear model fitted to data in fig 2

SBPCoefficientStd errort statisticProbability95% CI
Mean Square Error (that is, SD(r)) = 8.3 mm.
Age1.810.096318.75<0.0011.62 to 2.00
Group−6.932.3973−2.890.004−11.66 to −2.19
Constant53.283.197616.66<0.00146.97 to 59.59