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Retrospective Study
Copyright: ©Author(s) 2026.
World J Psychiatry. Jul 19, 2026; 16(7): 116727
Published online Jul 19, 2026. doi: 10.5498/wjp.116727
Table 4 Sleep quality improvement, mean ± SD
Indicator
Time point
CSGB group (n = 65)
Control group (n = 70)
Statistics
P value
PSQI total scorePreoperative5.1 ± 1.25.0 ± 1.3t = 0.460.646
Postoperative day 76.8 ± 1.59.2 ± 1.8t = 8.52< 0.05
Subjective sleep qualityPostoperative day 71.1 ± 0.31.6 ± 0.4t = 8.06< 0.05
Sleep latencyPostoperative day 71.0 ± 0.21.5 ± 0.4t = 8.96< 0.05
Sleep efficiencyPostoperative day 70.9 ± 0.21.4 ± 0.3t = 10.81< 0.05
Sleep disturbancesPostoperative day 71.2 ± 0.31.7 ± 0.4t = 7.96< 0.05
Daytime dysfunctionPostoperative day 71.1 ± 0.31.6 ± 0.4t = 8.06< 0.05
PSQI ≥ 7, n (%)Postoperative day 721 (32.3)43 (61.4)χ2 = 11.22< 0.01


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