Table 3

 Validity of the PBC-40

Comparator measure domainPBC-40 domainPearson correlation coefficient
Validity was determined by the degree of correlation between the domains of the PBC-40 and key relevant domains of the short form-36 (SF-36) and the epilepsy surgery inventory-55 (ESI-55).
*Correlation significant at the 0.01 level (two tailed).
ESI-55 CognitionCognitive−0.81*
SF-36 Social functioningSocial−0.80*
SF-36 Physical functioningSymptoms−0.57*
SF-36 Physical functioningItch−0.21
SF-36 Energy/vitalityFatigue−0.76*
SF-36 Mental healthEmotional−0.58*
SF-36 Role emotionalEmotional−0.50*