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. 2020 Dec 10;133(7):312–320. doi: 10.1007/s00508-020-01775-x

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© The Author(s) 2020

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Fig. 5 — Concentration performance indicator and total numbers of errors. a CPI. Post-PPE cycle, CPI was significantly lower than post-base cycle and post-cooling cycle. b TNE. A significantly decreased TNE after the cooling cycle (p = 0.031) was shown. Boxplots represent median, quartiles and min–max values. An asterisk indicates statistical significance