Type 2 & other diabetes

Comparative effectiveness of sodium–glucose cotransporter-2 versus dipeptidyl peptidase-4 inhibitors on all-cause mortality in type 2 diabetes: a multinational propensity score–matched cohort study

Diabetes MetabPublished Retrospective cohort study

Main finding · All-cause mortalityResult — go to the resultHazard ratio 0.513 95% CI 0.502–0.525

Authors' conclusion

SGLT2is were consistently associated with significantly lower all-cause mortality than DPP-4is.

Study context

Population
Adults aged >18 years with T2D initiating a SGLT2i or DPP-4i after ≥12 months of continuous therapy; TriNetX electronic health records (2015–2019)449,295 eligible
Participants
161,950 vs 161,950
Exposure
SGLT2i vs DPP-4i
  • SGLT2in = 161,950
  • DPP-4in = 161,950reference
Outcome
All-cause mortality
Follow-up
5 years
Methodological detailsmultinational, active-comparator, new-user, propensity-score matched (1:1 nearest neighbor), external validation
  • Multinational
  • Active-comparator
  • New-user
  • Propensity-score matched (1:1 nearest neighbor)
  • External validation

Main finding

As reported in the abstract

Hazard ratio

0.513

95% CI 0.502–0.525

P < 0.001

Events by group

SGLT2ivs DPP-4i
HR 0.513 (95% CI 0.502–0.525); P < 0.001

Observational data: associations, not effects.

Further findings

Subgroups (sex, age, baseline glycemic control)

Consistent reductions in mortality across sex, age categories and baseline glycemic control levels

External validation (Hong Kong/Singapore cohort)

External validation confirmed improved survival with SGLT2i therapy

Original publication

Comparative effectiveness of sodium–glucose cotransporter-2 versus dipeptidyl peptidase-4 inhibitors on all-cause mortality in type 2 diabetes: a multinational propensity score–matched cohort study. Diabetes Metab. Published 4 August 2026. doi:10.1016/j.diabet.2026.101785

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