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Book Chapter
Series: Pediatric and Adolescent Medicine
Volume: 21
Published: 11 December 2017
10.1159/000481324
EISBN: 978-3-318-06123-9
... and their implementation within KiGGS are depicted: sampling, measures to recruit participants, adapting these measures continuously, and estimating and adjusting for people not taking part in the survey. The role and impact of representativeness are illustrated with the example of obesity in Germany. The practice...
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Series: Contributions to Nephrology
Volume: 141
Published: 28 October 2003
10.1159/000074587
EISBN: 978-3-318-01014-5
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Published: 05 August 1985
10.1159/000411362
EISBN: 978-3-318-04935-0
... Abstract SummaryA patient is considered as lost to follow-up when the criteria of efficacy cannot be evaluated. Every effort should be made to determine the causes and promoting factors of sample attrition (often combined).Treatment-related causes include: •a preliminary therapeutic result...
Book Chapter
Published: 05 August 1985
10.1159/000411368
EISBN: 978-3-318-04935-0
... Abstract SummaryThe sample size determines the probability of detecting a difference between the treatments compared in a controlled trial. A large number of subjects is required in the following circumstances: •to demonstrate a small difference;•if there will be marked variability...
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Series: Contributions to Human Development
Volume: 3
Published: 14 May 1976
10.1159/000398965
EISBN: 978-3-318-03245-1
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Series: Monographs in Human Genetics
Volume: 2
Published: 09 September 1966
10.1159/isbn.978-3-318-03994-8
EISBN: 978-3-318-03994-8