Determinants of generalized anxiety and construction of a predictive model in patients with chronic obstructive pulmonary disease

Figure 1 Incidence rate of generalized anxiety disorder in patients with chronic obstructive pulmonary disease. GAD: Generalized anxiety disorder.

Figure 2 Forest plot model of generalized anxiety disorder risk prediction.

Figure 3 Receiver operating characteristic curves for the predictive model in two groups. A: The area under the curve (AUC) of modeling group; B: AUC of validation group. AUC: The area under the curve.

Figure 4 Calibration curves for the predictive model in two groups. A: Calibration curves of modeling group; B: Calibration curves of validation group.