Table 1.

Sensitivity and specificity of the questionnaires: correlation between the interview data and the questionnaire data, n = 23 [change in questionnaire score refers to a positive change of at least the minimal important difference, as described in methods section]

	Sensitivity (proportion of patients whose interview data does indicate changes in self-concept that show a change in questionnaire score)	Specificity (proportion of patients whose interview data indicates no changes in self-concept that don't show a change in questionnaire score)
Wellbeing questionnaire, W-BQ12	66%	75%
Patient enablement instrument, PEI	80%	88%
Arizona Integrated Outcome Scale, AIOS	60%	33%
One or both of the W-BQ12 and PEI	87%	63%