Biomarkers · Cardiac & Hemodynamics

PR Interval

U-shaped: both low and high values carry risk. Not measured in our NHANES panel; the curve is synthesised from the published association.

Hazard ratio relative to the curve's reference value, as synthesised from the published association.

Published hazard ratio1.22top vs bottom third (95% CI 1.10–1.36) · NHANES III ECG sub-study mortality linkage

Where people sit

Population percentiles (ms) by sex and age band. Cycle or source as recorded in the catalogue.

Sex	Age	5th	25th	Median	75th	95th	n	Cycle / source
All	20-39	106	128	144	159	181	7,500	Peto et al. 2017 (Mort…
All	40-59	121	144	160	176	199	7,500	Peto et al. 2017 (Mort…
All	60+	140	164	181	198	222	7,500	Peto et al. 2017 (Mort…
All	all	121	144	160	176	199	7,500	Peto et al. 2017 (Mort…
Men	all	128	151	167	183	207	7,500	Peto et al. 2017 (Mort…
Women	all	115	137	153	168	191	7,500	Peto et al. 2017 (Mort…