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Background: To evaluate the impact of COVID‐19 lockdown on glycaemic control and diabetes follow‐up in a Spanish metropolitan area with a total general population of 340,000. Methods: A retrospective real‐world study comparing HbA1c testing, an indicator of diabetes control, and mean HbA1c during different COVID‐19 restriction periods in 2020 (full lockdown, post‐lockdown, partial lockdown) with the same periods in 2019. HbA1c testing was analysed per study period and according to gender, age and clinical setting. Associations between HbA1c testing and different covariables were investigated using logistic regression analysis. Changes in HbA1c were evaluated by repeated measures multivariate analysis of variance (ANOVA). Results: During full lockdown, 6847 individuals, of which 56.7% were over 65 and 6.5% below 40, were tested for HbA1c compared to 14,180 in 2019 (OR 0.47, 95% CI:0.46–0.49). Reduction in HbA1c testing was greater among older individuals (OR 0.44, 95% CI:0.42–0.45). No differences were observed for post‐lockdown (OR 1.01, 95% CI:0.99–1.04). During partial lockdown, 10,816 individuals had at least one HbA1c measured compared to 12,749 in 2019 (OR 0.84, 95% CI:0.82‐0.87). Mean HbA1c during full lockdown was 7.26% (±1.06) compared to 7.50% (±1.14) in 2019 (p <.0001). For gender and across all age groups, HbA1c levels were lower during full lockdown. HbA1c changes were not significantly different during post‐lockdown and partial lockdown. Conclusions: COVID‐19 restriction measures affected HbA1c testing. During complete lockdown, HbA1c testing decreased by half across all gender and age groups. No deleterious effect on glycaemic control was observed during lockdown and post‐lockdown among those tested. [ABSTRACT FROM AUTHOR]

Eur J Clin Invest 2012 Abstract Background Although high-sensitivity C-reactive protein (hs-CRP) is currently used as a risk marker of cardiovascular disease, it has been suggested that genetic, clinical, biochemical or environmental factors could modify hs-CRP levels. The aim of this study was to investigate sources of interindividual hs-CRP variability in the Spanish population. Materials and methods A representative sample of the Spanish population within the di@bet.es study was used. Study variables included a clinical and demographic structured survey, a lifestyle survey, a physical examination, plasmatic hs-CRP and other biochemical parameters. Results Median and interquartile range of plasma hs-CRP values were 1·73 ± 2·75 mg/dL. Thirty per cent of the study population had hs-CRP levels above 3 mg/dL and 38% from 1 to 3 mg/dL. Body mass index was the strongest factor associated with moderate and high hs-CRP levels. Age, sex, waist-to-hip ratio, weight increase, plasma lipid levels, glucose metabolism (HOMA-IR and abnormal glucose regulation categories), pharmacological treatment (lipid-lowering agents, psychotropic drugs and levothyroxine), smoking, physical activity, different dietary patterns, quality of life and educational level were all significantly associated with hs-CRP levels. Interactions were observed between variables. These interactions modulated the effect of previously described factors on hs-CRP. Conclusions Thirty per cent of the Spanish population have hs-CRP levels considered to represent a cardiovascular risk. Different clinical, anthropometric, biochemical and environmental variables modulate hs-CRP levels. In addition, multiple interactions between variables complicate the interpretation of hs-CRP values. [ABSTRACT FROM AUTHOR]