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Observational Study
©The Author(s) 2025.
World J Gastrointest Surg. Sep 27, 2025; 17(9): 107356
Published online Sep 27, 2025. doi: 10.4240/wjgs.v17.i9.107356
Figure 4
Figure 4 Sleep duration, sleep quality and hospital stay of the two groups. A: Average sleep duration on postoperative day 3 of the control and observation groups; B: Pittsburgh Sleep Quality Index scores of the control and observation groups before and after the intervention; C: Lengths of hospital stay of the control and observation groups. aP < 0.05, bP < 0.01. PSQI: Pittsburgh Sleep Quality Index.


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