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Retrospective Study
Copyright: ©Author(s) 2026.
World J Psychiatry. Nov 19, 2026; 16(11): 123042
Published online Nov 19, 2026. doi: 10.5498/wjp.123042
Table 2 Comparison of 17-item Hamilton Depression Rating Scale scores between the two groups, mean ± SD
Variable
Observation group
Control group
t/χ2 value
P value
Baseline11.2 ± 2.110.7 ± 2.01.6950.092
1-month postoperative8.7 ± 1.810.2 ± 2.0-4.995< 0.001
3-month postoperative7.5 ± 1.59.6 ± 2.1-7.337< 0.001
6-month postoperative6.5 ± 1.38.9 ± 1.9-9.536< 0.001
12-month postoperative5.4 ± 1.28.2 ± 1.7-12.093< 0.001


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