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The Harmonic Scalpel versus Conventional Hemostasis for Neck Dissection: A Meta-Analysis of the Randomized Controlled Trials

Fig 5

Forest plot for blood loss.

The intraoperative blood loss with the harmonic scalpel was shorter than that with conventional hemostasis, but not significantly, and the statistical heterogeneity was unacceptably large (I2 = 100%).

Fig 5

doi: https://doi.org/10.1371/journal.pone.0132476.g005