Principles of sample size calculation

Indian Journal of Ophthalmology

Volumn 58, Issue 6, 2010, Pages 517-518

  Gogtay, Nithya ^a  

^a KEM HOSPITAL   (India)

Author keywords

Alpha error; beta error; clinically meaningful difference; variability

Indexed keywords

ARTICLE; CLINICAL TRIAL (TOPIC); HUMAN; SAMPLE SIZE; STATISTICAL ANALYSIS;

CLINICAL TRIALS AS TOPIC; DATA INTERPRETATION, STATISTICAL; HUMANS; SAMPLE SIZE;

EID: 78149439204     PISSN: 03014738     EISSN: 19983689     Source Type: Journal    
DOI: 10.4103/0301-4738.71692     Document Type: Article

References (3)

1. Julios SA. Sample sizes for clinical trials with normal data. Stats Med 2004;23:1921-86.
2. Devane D, Begley CM, Clarke M. How many do I need? Basic principles of sample size estimation. J Adv Nursing 2004;47:297-302.
3. Karlsson J, Engebretsen L, Dainty K, ISAKOS scientific committee. Considerations on sample size and power calculations in randomized clinical trials. Arthroscopy 2003;19:997-9.