How much loss to follow-up is acceptable in long-term randomised trials and prospective studies?
Fewtrell
Mary S
MS
Childhood Nutrition Research Centre, UCL Institute of Child Health, London, UK. m.fewtrell@ich.ucl.ac.uk
Kennedy
Kathy
K
Singhal
Atul
A
Martin
Richard M
RM
Ness
Andy
A
Hadders-Algra
Mijna
M
Koletzko
Berthold
B
Lucas
Alan
A
D000293:Adolescent; D000328:Adult; D002648:Child; D002675:Child, Preschool; D003627:Data Interpretation, Statistical; D002658:Developmental Disabilities / Q000209:etiology / Q000517:prevention & control*; D019317:Evidence-Based Medicine / Q000592:standards* / Q000706:statistics & numerical data; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D010352:Patient Dropouts / Q000706:statistics & numerical data*; D017410:Practice Guidelines as Topic; D011247:Pregnancy; D039401:Prenatal Nutritional Physiological Phenomena; D011446:Prospective Studies; D016032:Randomized Controlled Trials as Topic / Q000592:standards* / Q000706:statistics & numerical data