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Retrospective Study
©Author(s) (or their employer(s)) 2026.
World J Psychiatry. Mar 19, 2026; 16(3): 112649
Published online Mar 19, 2026. doi: 10.5498/wjp.v16.i3.112649
Table 4 Patients with concurrent medical conditions, mean ± SD
Indicator
Depressed group (n = 112)
Non-depressed group (n = 288)
Between-group P value
Change in depressed group Δ (%)
Change in non-depressed group Δ (%)
P value for change comparison
Psychological assessment
SDS score
Baseline48.3 ± 6.742.1 ± 5.9< 0.001
3 months postoperative58.4 ± 7.241.8 ± 6.1< 0.001+10.1 (20.9)-0.3 (0.7)< 0.001
HAMD-17 score
Baseline14.2 ± 3.810.5 ± 3.1< 0.001
3 months postoperative20.6 ± 4.99.8 ± 3.4< 0.001+6.4 (45.1)-0.7 (6.7)< 0.001
Quality of life scores (SF-36)
Role-emotional
Baseline68.5 ± 15.778.5 ± 10.7< 0.001
3 months postoperative47.8 ± 18.262.5 ± 14.7< 0.001-20.7 (30.2)-16.0 (20.4)< 0.001
Social functioning
Baseline75.2 ± 14.182.5 ± 15.7< 0.001
3 months postoperative60.3 ± 15.775.1 ± 15.7< 0.001-14.9 (19.8)-7.4 (9.0)< 0.001
General health
Baseline70.5 ± 16.372.0 ± 15.90.372
3 months postoperative55.2 ± 17.171.5 ± 16.2< 0.001-15.3 (21.7)-0.5 (0.7)< 0.001
Physical functioning
Baseline80.0 ± 18.588.0 ± 17.8< 0.001
3 months postoperative65.0 ± 19.281.0 ± 18.0< 0.001-15.0 (18.8)-7.0 (8.0)< 0.001
Role-physical
Baseline72.0 ± 16.074.0 ± 15.50.228
3 months postoperative55.0 ± 17.073.5 ± 16.5< 0.001-17.0 (23.6)-0.5 (0.7)< 0.001
Mental health
Baseline70.0 ± 14.572.0 ± 14.00.191
3 months postoperative50.0 ± 15.571.5 ± 14.0< 0.001-20.0 (28.6)-0.5 (0.7)< 0.001
Vitality
Baseline65.0 ± 15.067.0 ± 14.50.213
3 months postoperative50.0 ± 16.066.5 ± 14.5< 0.001-15.0 (23.1)-0.5 (0.7)< 0.001
Pain
Baseline75.0 ± 15.076.0 ± 14.50.541
3 months postoperative60.0 ± 16.075.5 ± 14.5< 0.001-15.0 (20.0)-0.5 (0.7)< 0.001


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