Type 2 & other diabetes

Effect of metformin on central arterial stiffness in individuals with type 2 diabetes mellitus: a systematic review and meta-analysis

Diabetes Res Clin PractPublished Systematic review and meta-analysis

Pooled result · PWVResult — go to the resultPooled MD 0.09 m/s 95 % CI −0.06 to 0.25

Authors' conclusion

In conclusion, metformin does not significantly affect PWV but is linked to a modest increase in cSBP

Study context

Population
Individuals with T2D
Comparison
Metformin vs comparison groups
Outcome
Central arterial stiffness: Pulse wave velocity (PWV)
Methodological detailsPooled analyses in RevMan, Searches of PubMed/MEDLINE, ScienceDirect, Cochrane and Google Scholar, Data extraction and quality assessment by three independent reviewers
  • Pooled analyses in RevMan
  • Searches of PubMed/MEDLINE, ScienceDirect, Cochrane and Google Scholar
  • Data extraction and quality assessment by three independent reviewers

Pooled result

PWV

Pooled MD

0.09 m/s

95 % CI −0.06 to 0.25

P = 0.23

By group

Metformin

8.9-11.2

m/s

Comparison

8.0-11.8

m/s

Metforminvs Comparison
pooled MD 0.09 m/s (95 % CI −0.06 to 0.25); P = 0.23

As reported in the abstract

Further pooled results

OutcomeMD (mmHg) (95 % CI)P value
Central systolic blood pressure (cSBP)I2 = 0 %3.30 (0.60–6.00)P = 0.02

Original publication

Effect of metformin on central arterial stiffness in individuals with type 2 diabetes mellitus: a systematic review and meta-analysis. Diabetes Res Clin Pract. Published 14 December 2025. doi:10.1016/j.diabres.2025.113057

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