Cohort study
Validation of UK-BCIS CHIP Score to Predict 1-Year Outcomes in a Contemporary United States Population
- Retrospective cohort study
- single-centre
- registry
- risk score validation
Authors' conclusion
In a large PCI registry, the BCIS-CHIP score had a good predictive value for MACCE at 1 year.
Study context
- Population
- Consecutive patients undergoing percutaneous coronary intervention (PCI) at a large tertiary care centre, US, 2011–2020
- Participants
- 20,799 patients
- Exposure
- BCIS-CHIP score categories
- Outcome
- MACCE:
- All-cause death
- MI
- Stroke
- Follow-up
- 1 year
Main finding
As reported in the abstract
MACCE
Each group vs score 0Hazard ratio (95% CI)
Score 1-2
1.72(1.32–2.24)
Score 3-4
3.60(2.78–4.66)
Score ≥5
7.40(5.75–9.51)
- Increase in MACCE risk per point increase of BCIS-CHIP score
- 28.0%
- C-index for 1-year MACCE
- 0.70
Observational data: associations, not effects.
Secondary outcomes
Individual MACCE components and major bleeding · 1 year
- Risk progressively increased with higher score values
Original publication
Validation of UK-BCIS CHIP Score to Predict 1-Year Outcomes in a Contemporary United States Population. JACC Cardiovasc Interv. Published 8 May 2023. doi:10.1016/j.jcin.2023.02.005
Summarised from the published abstract; every number is checked against it