Sample Size for a Clinical Trial: Why Do Some Trials Need Only 100 Patients and Others 1000 Patients or More?

Ophthalmology

Volumn 113, Issue 5, 2006, Pages 721-722

  Beck, Roy W ^a  

^a NONE

Author keywords

[No Author keywords available]

Indexed keywords

CLINICAL RESEARCH; CONFIDENCE INTERVAL; EDITORIAL; OUTCOMES RESEARCH; PRIORITY JOURNAL; PROBABILITY; RISK ASSESSMENT; TREATMENT OUTCOME;

CLINICAL TRIALS; HUMANS; OPHTHALMOLOGY; SAMPLE SIZE;

EID: 33646151397     PISSN: 01616420     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.ophtha.2006.02.008     Document Type: Editorial

References (1)

1. Herpetic Eye Disease Study Group. A controlled trial of oral acyclovir for the prevention of stromal keratitis or iritis in patients with herpes simplex virus epithelial keratitis. The Epithelial Keratitis Trial. Arch Ophthalmol 115 (1997) 703-712