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Retrospective Study
Copyright: ©Author(s) 2026.
World J Psychiatry. Jun 19, 2026; 16(6): 116809
Published online Jun 19, 2026. doi: 10.5498/wjp.v16.i6.116809
Figure 1
Figure 1 Trajectory of forced expiratory volume in one second changes over time in the two groups. Based on predicted values from the linear mixed-effects model, shaded areas represent 95% confidence intervals. FEV1: Forced expiratory volume in one second; COPD: Chronic obstructive pulmonary disease.
Figure 2
Figure 2 Forest plot of multiple linear regression analysis of factors influencing the annual decline rate of forced expiratory volume in one second. COPD: Chronic obstructive pulmonary disease; ICS: Inhaled corticosteroids; FEV1: Forced expiratory volume in one second.


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