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Blood Pressure Trajectories in the 20 Years Before Death
Delgado J, Bowman K, Ble A, Masoli J, Han Y, Henley W, Welsh S, Kuchel GA et al.. JAMA internal medicine, 2018-01-01
Topic: Health services, long-term care and technology
Results In 46 634 participants (51.7% female; mean [SD] age at death, 82.4 [9.0] years), SBPs and DBPs peaked 18 to 14 years before death and then decreased progressively. Mean changes in SBP from peak values ranged from -8.5 mm Hg (95% CI, -9.4 to -7.7) for those dying aged 60 to 69 years to -22.0 mm Hg (95% CI, -22.6 to -21.4) for those dying at 90 years or older; overall, 64.0% of individuals had SBP changes of greater than -10 mm Hg.
Cite this study APA, Vancouver, BibTeX · download .bib or .ris
APA 7th
Delgado, J., Bowman, K., Ble, A., Masoli, J., Han, Y., Henley, W., et al. (2018). Blood Pressure Trajectories in the 20 Years Before Death. JAMA internal medicine. https://doi.org/10.1001/jamainternmed.2017.7023
Vancouver
Delgado J, Bowman K, Ble A, Masoli J, Han Y, Henley W, et al. Blood Pressure Trajectories in the 20 Years Before Death. JAMA internal medicine. 2018. doi:10.1001/jamainternmed.2017.7023. PMID: 29204655.
BibTeX
@article{delgado2018-29204655,
author = {Delgado, J. and Bowman, K. and Ble, A. and Masoli, J. and Han, Y. and Henley, W. and Welsh, S. and Kuchel, G. A. and others},
title = {{Blood Pressure Trajectories in the 20 Years Before Death}},
journal = {JAMA internal medicine},
year = {2018},
doi = {10.1001/jamainternmed.2017.7023},
pmid = {29204655},
url = {https://doi.org/10.1001/jamainternmed.2017.7023}
}
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Key findings
- Results In 46 634 participants (51.7% female; mean [SD] age at death, 82.4 [9.0] years), SBPs and DBPs peaked 18 to 14 years before death and then decreased progressively.
- Mean changes in SBP from peak values ranged from -8.5 mm Hg (95% CI, -9.4 to -7.7) for those dying aged 60 to 69 years to -22.0 mm Hg (95% CI, -22.6 to -21.4) for those dying at 90 years or older; overall, 64.0% of individuals had SBP changes of greater than -10 mm Hg.
Study details
- Study designretrospective cohort
- Participants634
- Effect size51.7%; 64.0%
- Evidence strengthModerate
How this study scored 69/100
Published in a leading specialty journal, and it is a retrospective cohort study, reconstructed from past records. Scored zero for randomised / blinded because the record does not state it. We have no data on journal's citation record, times cited, citations per year, impact for its field and year, cited by studies here, still being cited, senior author's track record, institution's track record and multi-centre collaboration, so those were left out: it earned 40 of the 58 points we could judge it on, which is 69 out of 100.
| Component | Points | Why |
|---|---|---|
| Journal tier | 9 / 10 | Tier 2 — leading specialty journal (JAMA internal medicine) |
| Journal's citation record | — / 4 | No journal record from OpenAlex — left out of this score |
| Study design | 7 / 12 | A retrospective cohort study, reconstructed from past records |
| Strength of evidence | 3 / 5 | Rated “moderate” in our summary |
| Peer-review validation | 10 / 10 | Peer-reviewed. Published as an article in a named peer-reviewed journal. |
| How recent | 2 / 5 | 2018 — within 10 year(s) of the newest study here |
| Sample size | 2 / 4 | 634 participants |
| Effect reported | 2 / 3 | Effect reported as a number, without an interval or test |
| Studied in people | 3 / 3 | Studied in people (participant count stated) |
| Randomised / blinded | 0 / 2 | No randomisation or blinding stated — scores zero (not stated in the record — scored 0) |
| Times cited | — / 7 | No citation count (not found in OpenAlex) — left out of this score |
| Citations per year | — / 5 | No citation count or no year — left out of this score |
| Impact for its field and year | — / 6 | No field-weighted citation impact (OpenAlex has none yet) — left out of this score |
| Cited by studies here | — / 6 | Not yet checked against this library's citation graph — left out of this score |
| Still being cited | — / 4 | No yearly citation counts — left out of this score |
| Senior author's track record | — / 4 | Senior author's record not available — left out of this score |
| Institution's track record | — / 3 | No institution listed in OpenAlex — left out of this score |
| Multi-centre collaboration | — / 3 | Institutions not listed — left out of this score |
| Indexed in PubMed | 2 / 2 | Indexed in PubMed (PMID 29204655) |
| Free to read | 0 / 2 | Behind a paywall — scores zero |
| Points | 40 / 58 | Scored on 11 of 20 parts. We have no data for the rest, so they are left out: 40 of the 58 points we could judge it on is 69 out of 100. |
| Total | 69 / 100 | — |
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