Coronary disease & ACSCohort study

Association of neutrophil-to-lymphocyte ratio with clinical outcomes after percutaneous coronary intervention

Eur J Prev CardiolPublished

  • Retrospective cohort study
  • single-centre

Authors' conclusion

Baseline NLR is associated with adverse cardiovascular outcomes in CAD patients undergoing PCI.

Study context

Population
Patients undergoing percutaneous coronary intervention (PCI) for chronic coronary syndrome or acute coronary syndrome (ACS) at Mount Sinai Hospital, 2012–2022
Participants
7,287 patients
Exposure
Neutrophil-to-lymphocyte ratio (NLR) quartiles
Outcome
MACE:
  • All-cause death
  • Myocardial infarction (MI)
  • Stroke
Follow-up
1 year

Main finding

MACE

Adjusted hazard ratio

1.52

95% CI 1.12–2.05

By group

4th quartile vs 1st quartile
adjHR 1.52 (95% CI 1.12–2.05)

As reported in the abstract

MACE incidence increased across NLR quartiles (P for trend)
0.004

Observational data: associations, not effects.

Further findings

OutcomeadjHR (95% CI)
All-cause death · 1 year1.71 (1.10–2.65)
MI · 1 year1.53 (1.00–2.35)

Ischaemic risk by subgroup

Ischaemic risk with high NLR more pronounced in ACS and chronic kidney disease (CKD)

Safety

OutcomeadjHR (95% CI)
Bleeding · 1 year2.01 (1.50–2.70)

Parts of this Brief are withheld: the automatic checks could not confirm them against the abstract.

Original publication

Association of neutrophil-to-lymphocyte ratio with clinical outcomes after percutaneous coronary intervention. Eur J Prev Cardiol. Published 1 October 2025. doi:10.1093/eurjpc/zwaf597

Summarised from the published abstract; every number is checked against it