Mortality and cardiovascular disease outcomes among 740 patients with new-onset Type 2 diabetes detected by screening or clinically diagnosed in general practice

• Aim: Screening for Type 2 diabetes among people at high risk is recommended by many organizations. The aim of this study was to analyse all-cause mortality and cardiovascular disease (CVD) outcomes in patients with Type 2 diabetes detected by screening or diagnosed clinically.Methods: A diabetes register was established at the primary healthcare centre in Laxa, Sweden beginning in 1972. The register was based on data from clinical records with information on medical treatment and laboratory data, as well as all-cause mortality, CVD, myocardial infarction and stroke events from national registers until 31 December 2013. A total of 740 patients with new-onset Type 2 diabetes were registered between 1972 and 2001. In addition, an opportunistic diabetes-screening programme involving people aged 35-79 years started in 1983 and was repeated onwards in 5-year cycles.Results: Baseline characteristics showed a significantly higher CVD risk, mainly depending on more prevalent CVD events in the screened compared with the clinically detected group (propensity score 0.59 vs. 0.46, P < 0.0001). After mean follow-up periods of 12.9 and 13.6 years for screening detected vs. clinically detected patients, respectively, hazard ratios were as follows: all-cause mortality, 0.99 (P = 0.89); CVD, 1.17 (P = 0.10); myocardial infarction, 1.08 (P = 0.49); and stroke, 1.03 (P = 0.83).Conclusions: No reduction in total mortality or CVD outcomes was found in patients with Type 2 diabetes that was detected by screening compared with those diagnosed clinically.

Ämnesord

MEDICIN OCH HÄLSOVETENSKAP  -- Klinisk medicin -- Endokrinologi och diabetes (hsv//swe)

MEDICAL AND HEALTH SCIENCES  -- Clinical Medicine -- Endocrinology and Diabetes (hsv//eng)

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