Erratum to: Simple steps to develop trial follow-up procedures
نویسندگان
چکیده
منابع مشابه
Erratum to: Simple steps to develop trial follow-up procedures
BACKGROUND Loss to follow-up in randomised controlled trials reduces statistical power and increases the potential for bias. Almost half of all trials fail to achieve their follow-up target. Statistical methods have been described for handling losses to follow-up and systematic reviews have identified interventions that increase follow-up. However, there is little guidance on how to develop pra...
متن کاملSimple steps to develop trial follow-up procedures
Background: Loss to follow-up in randomised controlled trials reduces statistical power and increases the potential for bias. Almost half of all trials fail to achieve their follow-up target. Statistical methods have been described for handling losses to follow-up and systematic reviews have identified interventions that increase follow-up. However, there is little guidance on how to develop pr...
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Zonisamide safety was evaluated based on a postmarketing surveillance study of patients treated for 1-3 years. Nine hundred twenty-eight children and 584 adult (ages 1 month to 79 years), including 372 newly-diagnosed patients, received zonisamide for partial and generalized epilepsies. Of the intractable patients, 1088 received zonisamide in combination with other antiepileptic drugs (AED), an...
متن کاملLost to follow-up.
results gained from primary attenders at a tate review clinic after shoulder surgery may not be representative of the outcome: the average self-assessment of the non-attenders was lower by one class. Age differences have been shown to affect the self assessment of health (Idler 1993). In this study, however, with an average age of 5 1.1 years among attenders and 48.8 years in non-attenders, thi...
متن کاملLoss to follow-up
Why do these situations make a difference? Because in each situation, those lost to follow-up often have a different prognosis than those who complete the study. For example, patients who receive treatment for cervical myelopathy may not return for follow-up because they became asymptomatic and felt no need to return to see the surgeon. Conversely, some patients may not return because they had ...
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ژورنال
عنوان ژورنال: Trials
سال: 2016
ISSN: 1745-6215
DOI: 10.1186/s13063-016-1614-8