Type 1 diabetes

Evaluation of Taste Perception and Olfactory Function in Adolescents in Relation to the Duration of Type 1 Diabetes

Pediatr DiabetesPublished Case-control study

Authors' conclusion

The duration of diabetes is important regarding changes in taste perception and olfactory function in adolescents with diabetes.

Study context

Population
Adolescents aged 11–15 with T1D from south-eastern Poland, diabetes clinic, Provincial Clinical Hospital No. 2 in Rzeszów
Comparison
Adolescents with T1D vs controls
Outcome
Taste perception (taste strips: sweet, salty, sour, bitter; PROP strip) and olfactory function (U-Sniff sticks, 12 smells)
Methodological detailssingle-centre
  • Single-centre

Main finding

As reported in the abstract

Sweet taste test score

T1D

4

median · range 3.0–4.0

Control

3.0

median · range 3.0–4.0

P = 0.0001

Observational data: associations, not effects.

Further findings

OutcomeControlP value
U-Sniff test score by T1D durationT1D for 10 years vs Controlmedian 10.0 (range 9.0–12.0)P = 0.0370
  • U-Sniff test score by T1D duration: T1D for 10 years median 11 (range 10.0–12.0)

U-Sniff test score by T1D duration

Significantly lower U-Sniff scores in adolescents with T1D >10 years

Bitter taste identification

Long-term T1D more often incorrectly identified bitter tastes than healthy adolescents

Original publication

Evaluation of Taste Perception and Olfactory Function in Adolescents in Relation to the Duration of Type 1 Diabetes. Pediatr Diabetes. Published 4 June 2025. doi:10.1155/pedi/5563863

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