Sample size: How many participants are needed in a trial?

BMJ (Online)

Volumn 346, Issue 7896, 2013, Pages

  Sedgwick, Philip ^a  

^a ST GEORGE'S UNIVERSITY OF LONDON   (United Kingdom)

Author keywords

[No Author keywords available]

Indexed keywords

BODY MASS; CLINICAL EFFECTIVENESS; COMMUNITY CARE; EARLY INTERVENTION; NOTE; PRIORITY JOURNAL; PROFESSIONAL PRACTICE; RANDOMIZED CONTROLLED TRIAL (TOPIC); SAMPLE SIZE; SAMPLING ERROR; STATISTICAL MODEL;

BODY MASS INDEX; CHILD, PRESCHOOL; HOME NURSING; HUMANS; INFANT; RANDOMIZED CONTROLLED TRIALS AS TOPIC; SAMPLE SIZE; TREATMENT OUTCOME;

EID: 84874312925     PISSN: None     EISSN: 17561833     Source Type: Journal    
DOI: 10.1136/bmj.f1041     Document Type: Note

References (3)

1. Wen LM, Baur LA, Simpson JM, Rissel C, Wardle K, Flood VM. Effectiveness of home based early intervention on children's BMI at age 2: randomised controlled trial. BMJ 2012;344:e3732.
2. Sedgwick P. Superiority trials. BMJ 2011;342:d2981.
3. Sedgwick P. Statistical hypothesis testing. BMJ 2010;340:c2059.