Analyses have shown an overall high validity with estimated positive predictive values (PPV) of 85–95%. The validity of the SNPR has previously been assessed regarding the inpatient component of the register for a broad spectrum of diseases. To produce reliable epidemiologic research, the data collected in the register must be accurate. The data also contain information about intervention coded according to the Nordic Medico-Statistical Committee Classification of surgical procedures (NCSP) which differentiates between surgical methods. The medical data includes a main diagnosis and secondary diagnoses coded according to the Swedish version of the International Classification of Disease (ICD-10 SE) system and is determined by the treating physician. The information collected includes patient data, geographical data, administrative data, and medical data (Table 1). The register is the principal database for statistics, evaluation, and planning of health care in Sweden and is also a frequently used resource for clinical research. Reporting to the SNPR has been mandatory for inpatient and outpatient care since 19, respectively. It is the largest health register in Sweden and provides a unique opportunity to study diseases in the population due to its nation-wide coverage. Administered by the Swedish National Board of Health and Welfare, it consists of an Outpatient Register and an Inpatient Register. The Swedish National Patient Register (SNPR) contains information about inpatient care and specialized outpatient and emergency department visits from both public and private caregivers in Sweden. This is one of the reasons why medical registers in Sweden are exceptionally good for research. ![]() Every health care visit is linked to the patient’s personal number which enables linkage across different medical registers and tracing of patient charts. The number is assigned to every resident at birth and to immigrants intending to stay for more than one year. In Sweden all patient data is traceable through a personal identification number which is a 12-digit number unique to every Swedish resident. In the long term in most patients treated adequately for a DRF regain function. The estimated incidence ranges between 150–289/100 000 person-years globally, with the incidence rate being higher in the Nordic countries than in other European regions. According to our results, the register may be used as a reliable data source for population-based research of distal radius fractures.ĭistal radius fracture (DRF) is one of the most common fractures in adults. ![]() In conclusion, the validity of the codes for diagnosis and the surgical treatment of distal radius fracture is high in the Swedish National Patient Register. Codes for surgical intervention reached a PPV of 95–100%. The PPV for distal radius fracture in the register ranges between 92 and 100%, lower if coded as S52.6 and higher if there was an adherent code of surgical intervention. Positive predictive values (PPV) were calculated. Radiographic reports and medical records were reviewed to confirm or reject the diagnosis as well as, in relevant cases, the surgical intervention. Six cohorts, each containing 240 simple random samples, were constructed. Little is known regarding the validity of registration of distal radius fractures.Ī dataset of cases registered with diagnosis of distal radius fracture (S52.5) or distal radius and ulna fracture (S52.6) were collected from the Swedish National Inpatient and Outpatient Registers. The validity of some–but not all–diagnoses in the register is high. ![]() The Swedish National Patient Register is a principal source for population-based epidemiologic studies in Sweden. More research is needed to establish evidence-based clinical practice guidelines to generate cost-effective and fair fracture treatment. Distal radius fractures are one of the most common fractures in adults.
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