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Fig. 4 | BMC Psychiatry

Fig. 4

From: Effects of a single subanesthetic dose of esketamine on postoperative subthreshold depressive symptoms in patients undergoing unilateral modified radical mastectomy: a randomised, controlled, double-blind trial

Fig. 4

Changes in preoperative and postoperative PHQ-9 scores between the two groups. The graph shows the mean and standard error of the perioperative PHQ-9 scores of the two groups, and scores of Group E and C at the same time point was compared with the Mann–Whitney U test. Group C, control group. Group E, esketamine group. PHQ-9, Patient Health Questionnaire-9. POD, postoperative day. Compared with the control group at the same time point, *P < 0.05

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BMC Psychiatry

ISSN: 1471-244X

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