Table 1 Definitions of summary measures of interest

Mean

Σp_i/n - average of pressure readings

Peak

P_max - maximum pressure reading

Sum

Σp_i - sum of all pressure readings

Count ≥40 mmHg

Count of all pressure readings ≥40 mmHg

Standard deviation for average of averages

Headrick, T. C. (2010). Statistical Simulation: Power Method Polynomials and other Transformations. Boca Raton, FL: Chapman & Hall/CRC

\( {\mathrm{V}}_{\mathrm{A}1}=\frac{{\mathrm{m}}^2{\mathrm{V}}_1+{\mathrm{n}}^2{\mathrm{V}}_2\hbox{-} {\mathrm{n}\mathrm{V}}_1\hbox{-} {\mathrm{n}\mathrm{V}}_2\hbox{-} {\mathrm{m}\mathrm{V}}_1\hbox{-} {\mathrm{m}\mathrm{V}}_2+{\mathrm{m}\mathrm{n}\mathrm{V}}_2+\mathrm{m}\mathrm{n}{\left({\mathrm{M}}_1\hbox{-} {\mathrm{M}}_2\right)}^2}{\left(\mathrm{n}+\mathrm{m}\hbox{-} 1\right)\left(\mathrm{n}+\mathrm{m}\right)}\kern0.5em (5.38) \)

Average of averages

weighted avg. = [(no. of M)(AVG-of-M) + (no. of R)(AVG-of-R)]/ (total no. of M and R together)