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Table 5 Median [Interquartile range] scores of each group for psychological measures

From: A comparison of physical and psychological features of responders and non-responders to cervical facet blocks in chronic whiplash

Group (n) GHQ-28% ≥23 Score [IQR] PCS % ≥30 Score [IQR] PDS % met criteria probable PTSD Severity score [IQR]
WAD_R (58) 64% 24 * [19-32] 16% 15 [7-23] 29% 7 [2-13]
WAD_NR (32) 66% 28 * [21-41] 50% * 30 [13-39] 44% 12 [5-20]
HC (30) 7% 14 [10-16]     
  1. Legend: GHQ = General Health Questionnaire; PCS = Pain Catastrophization Scale; PDS = Post Traumatic Stress Diagnostic Scale; WAD_R = WAD Responders; WAD_NR = WAD Non Responders; HC = Healthy Controls; *p < 0.001; ‡p < 0.01.