Sample size calculation

MI Miguel Angel Ruiz Ibán
SG Susana Alonso Güemes
RD Raquel Ruiz Díaz
CG Cristina Victoria Asenjo Gismero
AG Alejandro Lorente Gomez
JH Jorge Diaz Heredia
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Based on the sample size formulas for estimating intraclass correlation coefficients with precision of Zou et al. [27] a minimum sample size of 58 was estimated for evaluating reproducibility. A total sample of 60 shoulder (30 subjects) was chosen.

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