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Background: Little is known about variations in the provision of chronic care services in primary care.Aim: To describe the frequency of chronic care services provided by GPs and analyse the extent of non-random variation in service provision.Design and Setting: Nationwide cohort study undertaken in Denmark using data from 2016.Method: Information on chronic care services was obtained from national health registers, including annual chronic care consultations, chronic care procedures, outreach home visits, and talk therapy. The associations between services provided, patient morbidity, and socioeconomic factors were estimated. Service variations were analysed, and excess variation related to practice-specific factors was estimated while accounting for random variation.Results: Chronic care provision was associated with increasing patient age, increasing number of long-term conditions, and indicators of low socioeconomic status. Variation across practices ranged from 1.4 to 128 times more than expected after adjusting for differences in patient population and random variation. Variation related to practice-specific factors was present for all the chronic care services that were investigated. Older patients with lower socioeconomic status and multimorbidity were clustered in practices with low propensity to provide certain chronic care services.Conclusion: Chronic care was provided to patients typically in need of health care, that is, older adults, those with multimorbidity, and those with low socioeconomic status, but service provision varied more than expected across practices. GPs provided slightly fewer chronic care services than expected in practices where many patients with multimorbidity and low socioeconomic status were clustered, suggesting inverse care law mechanisms. [ABSTRACT FROM AUTHOR]

Background Lung cancer is a common cancer disease: nevertheless, in Denmark a GP only sees one new case of lung cancer per year. The core symptoms of lung cancer, cough and dyspnoea, are on the other hand very common in general practice. This represents a challenge to the diagnostic process and increases the risk of diagnostic delay. Aim To explore diagnostic delay in primary health care among patients with lung cancer. Design of study A population based observational case series of 84 lung cancer patients' delay. Setting The County of Aarhus, Denmark. Method From county-based registers of all histological and cytological tests we identified all patients in the County of Aarhus with lung cancer diagnosed during a 6 month period in 2003. Inclusion was verified by contacting the departments involved in the treatment of lung cancer. Data were based on telephone interviews with patients' GPs. A review of delay was made starting with the first symptom until referral to secondary care. Results The overall median delay in primary health care was 32.5 days (interquartile interval (IQI) = 12-68 days). One-third of the patients were referred to the diagnostic investigation after their first consultation. Important reasons for delay in primary care were: symptoms not related to the lungs, chest X-ray without suspicion of cancer, comorbidity, waiting times for investigations and lack of explicit follow-up appointment. Prolonged delay was often due to a combination of these factors. Conclusion When diagnosing lung cancer, it is important that GPs are aware of the low sensitivity of chest X-ray. Shorter waiting times for investigations could reduce delay considerably. [ABSTRACT FROM AUTHOR]

Several letters to the editor are presented in response to the paper by P. Vedsted and F. Olesen on the question of whether serious problems in cancer survival are partly rooted in gatekeeper principles.