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Open Access

Correction

Correction: A randomized controlled trial of nitrate supplementation in well-trained middle and older-aged adults

  • Michael J. Berry,
  • Gary D. Miller,
  • Daniel B. Kim-Shapiro,
  • Macie S. Fletcher,
  • Caleb G. Jones,
  • Zachary D. Gauthier,
  • Summer L. Collins,
  • Swati Basu,
  • Timothy M. Heinrich

Fig 3 and Fig 4 are incorrect. On the x-axis, the tick label "Low Nitrate" should be "High Nitrate,” and the tick label "High Nitrate" should be "Low Nitrate." The authors have provided corrected versions here.

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Fig 3. Plasma NO3- levels at visit 1 (V1) and the high and low NO3- beverage trials.

Post NO3- levels at V1 were obtained two hours post consumption of a high NO3- beverage. Plasma NO3- levels at the high and low NO3- beverage trials were obtained two hours post consumption of the respective beverage. Plasma NO3- levels were not significantly different when comparing the high NO3- beverage trial values to the post consumption values at V1 (p = 1.0) or when comparing the low NO3- beverage trial values to the pre-consumption values at V1 (p = 1.0). Values are represented as median values with box ends representing the 25th and 75th percentiles and error bars representing the 5th and 95th percentiles. Dotted lines represent the mean values, and individual dots represent subject values.

https://doi.org/10.1371/journal.pone.0238271.g001

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Fig 4. Plasma NO2- levels at visit 1 (V1) and the high and low NO3- beverage trials.

Post NO2- levels at V1 were obtained two hours post consumption of a high NO3- beverage. Plasma NO2- levels at the high and low NO3- beverage trials were obtained two hours post consumption of the respective beverage. Plasma NO2- levels were not significantly different when comparing the high NO3- beverage trial values to the post consumption values at V1 (p = 1.0) or when comparing the low NO3- beverage trial values to the pre-consumption values at V1 (p = 1.0). Values are represented as median values with box ends representing the 25th and 75th percentiles and error bars representing the 5th and 95th percentiles. Dotted lines represent the mean values, and individual dots represent subject values.

https://doi.org/10.1371/journal.pone.0238271.g002

Reference

  1. 1. Berry MJ, Miller GD, Kim-Shapiro DB, Fletcher MS, Jones CG, Gauthier ZD, et al. (2020) A randomized controlled trial of nitrate supplementation in well-trained middle and older-aged adults. PLoS ONE 15(6): e0235047. https://doi.org/10.1371/journal.pone.0235047 pmid:32574223

Citation: Berry MJ, Miller GD, Kim-Shapiro DB, Fletcher MS, Jones CG, Gauthier ZD, et al. (2020) Correction: A randomized controlled trial of nitrate supplementation in well-trained middle and older-aged adults. PLoS ONE 15(8): e0238271. https://doi.org/10.1371/journal.pone.0238271

Published: August 20, 2020

Copyright: © 2020 Berry et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.