Biomarkers · Cardiac & Hemodynamics
QT Interval
Lower values carry lower 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 ratio1.34top vs bottom third (95% CI 1.20–1.50) · 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 | 313 | 342 | 362 | 383 | 412 | 7,600 | Peto et al. 2017 (Mort… |
| All | 40-59 | 349 | 380 | 402 | 424 | 455 | 7,600 | Peto et al. 2017 (Mort… |
| All | 60+ | 394 | 425 | 447 | 468 | 500 | 7,600 | Peto et al. 2017 (Mort… |
| All | all | 349 | 380 | 402 | 424 | 455 | 7,600 | Peto et al. 2017 (Mort… |
| Men | all | 361 | 393 | 414 | 436 | 467 | 7,600 | Peto et al. 2017 (Mort… |
| Women | all | 337 | 368 | 390 | 412 | 443 | 7,600 | Peto et al. 2017 (Mort… |
Sources
- Hazard curve: Peto et al. 2017 (PMID 28858850) anchor; nhanes_cox_spline
- Peto MV, et al. MortalityPredictors.org: a manually-curated database of published results from longitudinal studies of mortality risk factors. Aging (Albany NY). 2017;9(9):1965-1983.