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Correction to: Prevention of Infections in Cardiac Surgery study (PICS): study protocol for a pragmatic cluster-randomized factorial crossover pilot trial

Correction to: Trials (2018) 19:688

https://doi.org/10.1186/s13063-018-3080-y

Following publication of the original article [1], we have been notified of a few mistakes in the “Sample size calculations” section, second paragraph.

The phrase:

  • “The same sample size would provide 95% power to detect an increase of s-SSIs with the short-term prophylaxis strategy of 0.55% (±27.5% relative increase, 5% significance level, one-sided).”

Should actually be:

  • “The same sample size would provide 83% power to detect an increase of s-SSIs with the short-term prophylaxis strategy of 0.8% (±40% relative increase, 5% significance level, one-sided).”

Reference

  1. 1.

    van Oostveen RB, et al. Prevention of Infections in Cardiac Surgery study (PICS): study protocol for a pragmatic cluster-randomized factorial crossover pilot trial. Trials. 2018;19:688. https://doi.org/10.1186/s13063-018-3080-y.

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Correspondence to Dominik Mertz.

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van Oostveen, R.B., Romero-Palacios, A., Whitlock, R. et al. Correction to: Prevention of Infections in Cardiac Surgery study (PICS): study protocol for a pragmatic cluster-randomized factorial crossover pilot trial. Trials 20, 595 (2019). https://doi.org/10.1186/s13063-019-3771-z

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