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Table 3 Statistical results of internal consistency

From: Reliability, validity and cut-off score of the Chinese version of the panic disorder severity scale self-report form in patients with panic disorder

ItemsAlpha if item-deletedCorrected
correlation r1
correlation r2
Panic attack frequency0.760.450.22
Distress during panic attacks0.800.340.13
Severity of anticipatory anxiety0.750.520.37**
Agoraphobic fear/avoidance0.750.530.34**
Panic related sensation fear/avoidance0.750.520.29**
Work impairment0.720.650.35**
Social impairment0.730.630.33**
  1. Note: ** Correlation is significant at the 0.01 level (2-tailed)