Sample size and the study of F waves

Sample size and the study of F waves

Author Nobrega, JAM Google Scholar
Manzano, G. M. Google Scholar
Novo, N. F. Google Scholar
Monteagudo, P. T. Google Scholar
Institution Universidade Federal de São Paulo (UNIFESP)
Abstract Ulnar nerve F waves were studied in 23 healthy volunteers and 27 diabetic patients. Latencies and chronodispersion were analyzed in each group for different sample sizes. Significant differences were not detected with the different sample sizes for mean latencies, with samples above 16 stimuli or 10 waves for minimum and maximum latencies and above 20 stimuli or 16 waves for chronodispersion. These findings suggest that these limits may be adequate for group comparison. However, for the analysis of individual patients, the evidence suggests that larger samples are required for the determination of the minimum;and maximum latencies and chronodispersion. (C) 1999 John Wiley & Sons, Inc.
Keywords ulnar nerve
F wave
F-wave latency parameters
F-wave sample size
Language English
Date 1999-09-01
Published in Muscle & Nerve. New York: John Wiley & Sons Inc, v. 22, n. 9, p. 1275-1278, 1999.
ISSN 0148-639X (Sherpa/Romeo, impact factor)
Publisher Wiley-Blackwell
Extent 1275-1278
Access rights Closed access
Type Article
Web of Science ID WOS:000082319000017

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