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Fig. 4 | Critical Care

Fig. 4

From: Does tidal volume challenge improve the feasibility of pulse pressure variation in patients mechanically ventilated at low tidal volumes? A systematic review and meta-analysis

Fig. 4

Summary receiver operating characteristic curve for the change of pulse pressure variation after tidal volume challenge predicting fluid responsiveness in low tidal volume ventilation. The diamond is the summary point representing the average sensitivity and specificity estimates. AUC area under the curve, SENS sensitivity, SPEC specificity, SROC summary receiver operating characteristics. The ellipses around this summary point are the 95% confidence region (dashed line) and the 95% prediction region (dotted line)

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