Table 4

Convergent and discriminant validity correlations (Spearman's rank order)

	Medication subscale score	Angioplasty subscale score	Surgery subscale score	Total score of three subscales^†
Age	−0.045	−0.024^**	−0.108	−0.229^**
Sex	−0.090	−0.182^**	−0.98	−0.66
CROQ symptoms (seven items) summed score	−0.138*	−0.056	0.084	−0.094
CROQ psychosocial functioning (14 items) summed score	−0.171^**	−0.062	0.153*	−0.076
CROQ cognitive functioning (three items) summed score	−0.099	−0.46	0.113^*	−0.045
CROQ physical functioning (eight items) summed score	−0.095	−0.105	0.051	−0.106
Medication subscale	–	−0.210^*	−0.296^**	0.303^**
Angiography subscale	−0.210^*	–	0.576^**	0.809^**
Surgery subscale	−0.296^**	0.576^**	–	0.682^**
Total subscale score^†	0.303^**	0.809^**	0.682^**	–

CROQ, Coronary Revascularisation Outcome Questionnaire.
↵* p<0.05
↵** p<0.01
↵† Caution: the instrument was designed as three subscales, not for total summing; thus, the totals are shown for reference only and are instrumental for exploring the underlying factor structure.