Corrigendum to ‘Reliability of pressure pain threshold testing in healthy pain free young adults’ [Scand. J. Pain 9 (2015) 38–41]

Corrigendum to ‘Reliability of pressure pain threshold testing in healthy pain free young... The authors of the above paper have noticed significant errors in Table 2. The errors appear in columns 5 to 8, in which the computed sample sizes are incorrect. The correct Table 2 is provided below:Table 2Sample size calculations.Site (initial mean value)% changeSEM (kPa)ESSample size required for crossover designSample size required for parallel design80% power90% power80% power90% powerWrist (472 kPa)30%841.19810263225%840.991113364620%840.791519547015%840.6024329012010%840.405268200266Leg (501 kPa)30%931.14911283625%930.951114385020%930.761621587615%930.57273510013210%930.385775220294Neck (413 kPa)30%791.11911283825%790.921215405220%790.741722608015%790.55283710614210%790.376079232310Back (606 kPa)30%1001.2979222825%1001.07912304020%1000.861317466015%1000.6422288010610%1000.434559172230SEM, standard error of measurement; ES, effect size (Gyatt’s responsiveness index =percentage change divided by the square root of two times the mean square error term from the repeated measures analysis of variance test). http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Scandinavian Journal of Pain de Gruyter

Corrigendum to ‘Reliability of pressure pain threshold testing in healthy pain free young adults’ [Scand. J. Pain 9 (2015) 38–41]

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Publisher
De Gruyter
Copyright
© 2016 Scandinavian Association for the Study of Pain
ISSN
1877-8860
eISSN
1877-8879
D.O.I.
10.1016/j.sjpain.2016.06.008
Publisher site
See Article on Publisher Site

Abstract

The authors of the above paper have noticed significant errors in Table 2. The errors appear in columns 5 to 8, in which the computed sample sizes are incorrect. The correct Table 2 is provided below:Table 2Sample size calculations.Site (initial mean value)% changeSEM (kPa)ESSample size required for crossover designSample size required for parallel design80% power90% power80% power90% powerWrist (472 kPa)30%841.19810263225%840.991113364620%840.791519547015%840.6024329012010%840.405268200266Leg (501 kPa)30%931.14911283625%930.951114385020%930.761621587615%930.57273510013210%930.385775220294Neck (413 kPa)30%791.11911283825%790.921215405220%790.741722608015%790.55283710614210%790.376079232310Back (606 kPa)30%1001.2979222825%1001.07912304020%1000.861317466015%1000.6422288010610%1000.434559172230SEM, standard error of measurement; ES, effect size (Gyatt’s responsiveness index =percentage change divided by the square root of two times the mean square error term from the repeated measures analysis of variance test).

Journal

Scandinavian Journal of Painde Gruyter

Published: Dec 29, 2017

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