Central Sensitivity Is Associated with Poor Recovery of Pain: Prediction, Cluster, and Decision Tree Analyses

Figure 4

The difference of CSI-9, HADS-A, HADS-D, and PCS-4 between clusters. (a) The difference of CSI-9 between clusters. (b) The difference of HADS-A between clusters. (c) The difference of HADS-D between clusters. (d) The difference of PCS-4 between clusters. : . Abbreviations: CSI-9, Central Sensitisation Inventory-9; HADS-A, Hospital Anxiety and Depression Scale-Anxiety; HADS-D, Hospital Anxiety and Depression Scale-Depression; PCS-4, Pain Catastrophising Scale-4; BL, baseline; FU, follow-up; ∆, follow-up score minus the initial score.

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