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Table 1 Characteristic of the respondents in the PCI group and the non-significant stenosis group at pre-assessment

From: Psychometric evaluation of the Coronary Revascularisation Outcome Questionnaire (CROQ) in Norwegian patients admitted to elective coronary angiography and possible percutaneous coronary intervention

  Patients receiving PCI
(n = 121)
Non-significant stenosis group (n = 159)
Mean age (SD) years 68.2 (8.0)* 66.0 (9.5)*
Male (%) 78.5*** 54.1***
Cohabitation (%) 83.9*a 73.3*b
Highest education (%) c d
Primary school 32.8 41.1
High school 41.2 29.7
University 26.1 29.1
Previous PCI (%) 37.2 27
Previous CABG (%) 17.4*** 0***
Previous heart attack (%) 19.0 16.4
  1. *p < .05, ***p < .001. SD: standard deviation
  2. a2.5% missing
  3. b5.7% missing
  4. c0.6% missing
  5. d1.7% missing