ArticleBMJ public health2025
Association between follow-up visit frequency, medication types prescribed, and glycaemic outcomes among diabetic patients in China's Basic Public Health Services programme: a retrospective cohort study.
Article in BMJ public health, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Introduction: Regular follow-up may improve medication utilisation and glycaemic outcomes among persons with diabetes, but evidence on the impact of follow-up frequency within China's Basic Public Health Services (BPHS) programme remains sparse. This study aimed to investigate the association between follow-up frequency, medication utilisation, and glycaemic outcomes among late middle-aged and older adults with diabetes. Methods: This retrospective cohort study used electronic follow-up record data from the BPHS programme in Longhua District, Shenzhen, China, from 2018 to 2020. The primary outcome was the number of distinct medication types prescribed. Secondary outcomes included the average number of diabetic and non-diabetic medication types. Tertiary outcomes were fasting plasma glucose (FPG) levels and satisfactory glycaemic control (defined as physician-documented satisfactory control in >50% of quarterly visits). Raw data were consolidated into quarterly panel data. Statistical analyses, including pooled ordinary least squares regression, fixed-effect models and instrumental variable analyses using indicators for the first two quarters of 2020 as instruments, were conducted. Results: The study included 69 238 patient-quarters representing 15 424 patients aged 50 years or older, with a mean (SD) age of 65.7 (8.6) years and 51.3% women. Results showed that more frequent follow-up visits were associated with an increased number of distinct medication types (0.471; 95% CI 0.339 to 0.603; p<0.001) and primarily due to an increase in diabetic medications (0.469; 95% CI 0.348 to 0.589; p<0.001). Also, a higher number of distinct medication types was associated with lower FPG levels (-0.027; 95% CI -0.050 to -0.004; p=0.022) and a higher probability of having satisfactory glycaemic control (0.007; 95% CI 0.001 to 0.013; p=0.033). Conclusions: Our findings demonstrate that BPHS follow-up visits improve glycaemic control through optimisation of antidiabetic medication utilisation.
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