Suggestions(1)
Exact(11)
A simple comparison of data on the cohort of patients identified at survey 1 (Their Fig. 2. Fate of cases discovered at the first survey and of patients still excreting bacilli when examined at subsequent surveys) with data on the fate of patients present at each survey (Their Fig. 3. Fate of prevalence cases discovered at survey I, II, and III over a period of 1.5 years) shows this.
Details regarding the identification of asthma incident and prevalence cases have been previously published [ 3, 8].
Another limitation is that both incidence and prevalence cases were used in this study.
Data tables for each country displaying cumulative incidence cases, cumulative incidence cases avoided, prevalence cases and prevalence cases avoided per 100 000 of the population are presented in online supplementary appendix 5.
Accurate estimations necessitate the study of sufficiently large populations given the relatively low number of prevalence cases.
To simplify the estimation of parameters, previous methods often assume that occurrence of prevalence cases as in exponential distribution which has a property of constant pre-clinical incidence.
Similar(49)
We considered cross-sectional observational studies (including prevalence case– control studies) to provide the weakest evidence included.
We report the prevalence, case mix and outcomes of a dual-centre ICU study in London, UK.
The aim of our study was to evaluate the prevalence, case mix and outcomes of patients with cirrhosis admitted to the general ICU of a nontransplant center.
It is also argued that only a few explanatory variables can be accommodated because cross-classification will yield many cells without at least one prevalence case (Lee 1995).
During the past 10 years in the United States, prevalence, case-fatality rates, total attributable mortality rates, and colectomy rates for persons with CDAD have markedly increased (6 ).
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Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com