Cataract patients in a defined Swedish population 1986-90: VII Inpatient and outpatient standardised mortality ratios.
نویسندگان
چکیده
منابع مشابه
Cataract patients in a defined Swedish population 1986-90: VII Inpatient and outpatient standardised mortality ratios.
AIMS Cataract surgery has at times been said to correlate with an increased death risk. We have therefore analysed the standardised death ratio in a population based cohort of patients that had undergone cataract surgery. METHODS Data for all patients undergoing cataract surgery from 1986 up to and including 1990 in the Lund Health Care District were prospectively recorded, and 5120 were retr...
متن کاملQuantifying the Potential Bias when Directly Comparing Standardised Mortality Ratios for In-Unit Neonatal Mortality
INTRODUCTION The Standardised Mortality Ratio (SMR) is increasingly used to compare the performance of different healthcare providers. However, it has long been known that differences in the populations of the providers can cause biased results when directly comparing two SMRs. This is potentially a particular problem in neonatal medicine where units provide different levels of care. METHODS ...
متن کاملRisk-adjusting hospital inpatient mortality using automated inpatient, outpatient, and laboratory databases.
OBJECTIVES To develop a risk-adjustment methodology that maximizes the use of automated physiology and diagnosis data from the time period preceding hospitalization. DESIGN : Retrospective cohort study using split-validation and logistic regression. SETTING Seventeen hospitals in a large integrated health care delivery system. SUBJECTS Patients (n = 259,699) hospitalized between January 2...
متن کاملoutpatient and hospitalization in cataract surgery: iranian cataract surgery survey
background: to determine the prevalence of outpatient and hospitalization for cataract surgery in iran. methods: a random cluster sampling was done in a cross-sectional study on cataract surgeries performed in treatment centers of ophthalmology in iran between 2000 and 2005. one week of each season was selected randomly and all cataract surgery files of the center were studied. this study repor...
متن کاملVariations in hospital standardised mortality ratios (HSMR) as a result of frequent readmissions
BACKGROUND We investigated the impact that variations in the frequency of readmissions had upon a hospital's standardised mortality ratio (HSMR). An adapted HSMR model was used in the study. Our calculations were based on the admissions of 70 hospitals in The Netherlands during the years 2005 to 2009. METHODS Through a retrospective analysis of routinely collected hospital data, we calculated...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: British Journal of Ophthalmology
سال: 1995
ISSN: 0007-1161
DOI: 10.1136/bjo.79.12.1115