This study estimated socioeconomic burden using a prevalence-based approach and estimated the costs arising from CDI patients and mortality during the period of 2008 2011 in Korea.
By using a prevalence-based approach, this method is particularly suited for estimating the magnitude of the annual economic burden attributable to overweight.
The COI study approach is a descriptive study that can provide information to measure economic burden of a disease using a prevalence-based or an incidence-based approach.
Using a prevalence-based approach the economic burden of heart failure in the UK was estimated to be £905.3 million in 2000, a 26% increase on 1995 estimates, and equivalent to 1.91% of total NHS expenditure.
Using a prevalence-based approach, Yang et al 8 estimated that in 2001, smoking contributed to US$398 million in excess medical expenditures and US$1390 million in productivity loss from premature death among people aged 35 and older in Taiwan.
To our knowledge, this is the first study to determine the direct and indirect health care costs by using a prevalence-based approach that combines data from a large observational dataset, containing computer-based patient records with accurate anthropometric and clinical information and precise medical cost data collected by general practitioners.
An incident based approach rather than a prevalence based approach was used since only a single cohort of 12 year old males and females was prospectively modelled.
For categorical data, inter-and intra-observer reliability was summarised using percentage prevalence (based on the average of findings from both observers), the number of cases agreed, percentage observed agreement, percentage expected agreement and Cohen's Kappa (dichotomous data) or quadratic weighted Kappa (ordinal data), with 95% confidence intervals.
As with sample I, we use migration prevalence based on older departures (1990 1998) as an instrument.
The data were managed and stored in a Microsoft Excel® (Microsoft Corporation) spreadsheet, and frequency tables were used to calculate prevalence based on state, year, herd, animal and breed.
