Components of 24-hour BP variability measures.

Based on 24 studies included in the review.astandard deviation / mean BPb average of absolute value of successive pairs of BP measurementsc weighted average of day standard deviation and night standard deviationdpercentage nocturnal falle difference of mean day BP and mean night BPf adjusted day-night difference, (mean day BP-mean night BP)/mean 24-hour BPgmean BP in 2 hours after awakening—mean BP in 2 hours preawakeninghdifference between BP on rising and BP in 30 minutes before risingidifference between mean BP in first hours after awakening and mean BP in last hour preawakeningjdifference between mean BP in 3 hours after awakening and mean BP in 3 hours preawakeningkdifference between mean BP in 2 hours after awakening and mean of the 3 BP readings centred on the lowest BP readings during sleepldifference between mean BP in 2 hours after awakening and mean of all the BP readings during sleepmdifference between mean BP in 2 hours after awakening and lowest mean of 3 BP consecutive BP readings during the nightn≥20/15mmHg rise in first two BP readings from 7am compared to average night BPComponents of 24-hour BP variability measures.