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Fig. 2 | BMC Anesthesiology

Fig. 2

From: The value of pupillary diameter in evaluating pain perception after awakening in patients undergoing general anesthesia during orthopedic surgery

Fig. 2

Graph showing the correlation between VRS and PD. (A) Relationship between PD4 and VRS. (B) Relationship between PD5 and VRS. (C) Relationship between PD6 and VRS. (D) Relationship between PD7 and VRS. With the progress of surgery, r, correlation coefficient gradually increases. VRS: verbal rating scale. T4: 30 s after incision, T5: 1 h after incision, T6: at the end of surgery, T7: shortly after extubation

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BMC Anesthesiology

ISSN: 1471-2253

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