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Observational Study
Copyright ©The Author(s) 2026.
World J Psychiatry. Jan 19, 2026; 16(1): 112787
Published online Jan 19, 2026. doi: 10.5498/wjp.v16.i1.112787
Figure 1
Figure 1 Trajectory of three latent classes after open lumbar interbody fusion. A: Anxiety-level; B: Depression-level. GAD-7: Generalized Anxiety Disorder-7; PHQ-9: Patient Health Questionnaire-9.