The impact of the traditional Chinese spring festival on glycemic control in a hospital population: a lag time-window analysis of 300,046 HbA1c tests - Takeaways - MDSpire

The impact of the traditional Chinese spring festival on glycemic control in a hospital population: a lag time-window analysis of 300,046 HbA1c tests

  • By

  • Dongmei Chen

  • Shiyu Deng

  • Chenglong Zhang

  • Ling Li

  • July 2, 2026

  • 0 min

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  • 1

    The study analyzed 300,046 HbA1c tests to assess the impact of the Chinese Spring Festival on long-term glycemic control.

  • 2

    A novel 'lag time-window' approach was used to account for the 2–3 month reflection period of HbA1c measurements.

  • 3

    The median HbA1c during the Spring Festival week was significantly higher than the control period, with a median difference of +0.1%.

  • 4

    The increase in HbA1c was most pronounced in patients under diabetes specialty care, with no significant effect in general health screenings.

  • 5

    The findings suggest the pre-festival period is critical for targeted interventions in high-risk patients with established dysglycemia.

Original Source(s)

The impact of the traditional Chinese spring festival on glycemic control in a hospital population: a lag time-window analysis of 300,046 HbA1c tests

  • by Dongmei Chen, Shiyu Deng, Chenglong Zhang, Ling Li

  • July 2, 2026

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