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. 2014 Aug 13;9(8):e103761.
doi: 10.1371/journal.pone.0103761. eCollection 2014.

The impact of various platelet indices as prognostic markers of septic shock

Yanxia Gao  1 , Yi Li  2 , Xuezhong Yu  2 , Shigong Guo  3 , Xu Ji  4 , Tongwen Sun  5 , Chao Lan  1 , Valery Lavergne  6 , Marc Ghannoum  7 , Li Li  1
Affiliations

The impact of various platelet indices as prognostic markers of septic shock

Yanxia Gao et al. PLoS One. .

Erratum in

Abstract

Introduction: Platelet indices, including mean platelet volume (MPV), are readily available blood tests, although their prognostic value in patients with septic shock has not been fully explored. Current evidence has found contradictory results. This study aims to explore the behavior of platelet indices in septic shock and their clinical prognostic value.

Methods: Charts of septic shock patients from January to December 2012 in a tertiary medical center in Northern China were reviewed retrospectively. Platelet indices were recorded during the first five consecutive days after admission, as well as the penultimate and the last day of hospital stay. The data were compared between surviving and non-surviving patients.

Results: A total of 124 septic shock patients were enrolled. Thirty-six of the patients survived and 88 of them expired. MPV in the non-survivor group was higher than that of the survivor group, especially on the last day. PDW and PLCR showed increased trends, while PCT and PLT decreased in the non-survivor group. Among the PLT indices, MPV had the highest area under the receiver operating characteristic curve (0.81) with a precision rate of 75.6% at a cut-off of 10.5.Compared with other more usual septic shock prognostic markers, MPV is second only to lactate for the highest area under the curve.

Conclusion: A statistically significant difference was seen between survivors and non-survivors for platelet indices which make them easily available and useful prognostic markers for patients in septic shock.

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Conflict of interest statement

Competing Interests: The authors have declared that no competing interests exist.

Figures

Figure 1
Figure 1. Flowchart of the enrollment of septic shock patients.
Figure 2
Figure 2. Change of platelet indices between groups.
Figure 3
Figure 3. MPV, lactate, HCT, WBC, APACHE II and procalcitonin ROC curve map.
See this image and copyright information in PMC

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