PubMed · 11648371
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Connecticut. Superior Court, Judicial District of New Haven. 1986-04-09. Doe v. Maher.. https://pubmed.ncbi.nlm.nih.gov/11648371/
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INTRODUCTION: In Denmark, the National Register of Patients has, by law since 1977, received discharge diagnoses, surgical codes, and, in recent years, also codes for specific medical treatments for all hospitalised patients. It is an important source of administrative data and for epidemiological research. This paper summarises the results of an evaluation of the register as a tool for assessing quality in gynaecological departments in Denmark. MATERIAL AND METHODS: We obtained data describing production and quality of abortions, ectopic pregnancies, hysterectomies, endometrial ablations, ovarian cysts, ovarian, cervical, and endometrial cancer, in vitro fertilisation, insemination, and urine incontinence. A search was also made for possible miscodings in order to evaluate the extent of such miscoding and to obtain more valid quality estimates. RESULTS: The validity and completeness of the diagnosis codes were generally poorer than that of the surgical codes, especially that of the newer medical treatment codes. We found a rather different clinical practice and quality at the 38 gynaecological departments studied. In order to reduce this stochastic noise, we analysed all small departments as a single unit. Generally, the quality was the same in both the larger and the smaller units. CONCLUSION: The register seems well suited for routine production and quality control.
This study examined the effects of birth characteristics, which reported on birth certificates, on sudden infant death syndrome (SIDS) based on vital statistics between 1995 and 1998 in Japan. One thousand eight hundred and fifty-nine cases of SIDS and 4,787,537 live births were analyzed. The mortality rate from SIDS was 0.388 SIDS deaths per 1000 live births. Based on multivariate analysis using Poisson regression model, risk factors associated with significantly increased SIDS rates included low birth weight, being a male infant, young maternal age, late birth in multiparity, maternal stillbirth experience, residential region of Kyusyu, Tokai or Hokuriku, and employment status as "unemployed or unknown". However, there was no significant difference between single and multiple birth groups after adjusting other characteristics. A decreasing postnatal age of death was observed as birth weight increased. However, there was no difference in postconceptional age of death between birth weight groups. Preterm infants died of SIDS at a later postnatal age than term infants, but there appeared to be little difference in postconceptional age of death amongst preterm infants. This association between birth characteristics and SIDS were consistent with other studies from western countries, suggesting that recommendations for SIDS in western countries are also applicable for Japan.