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Table 5 Model fit indices of the CROQ at pre-assessment in the PCI group (n = 121)

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

  χ2 df RMSEA 90% CI CFI TLI WRMR
Original structure 764.3*** 458 .074 .065–.083 .787 .769 .993
One factor model 1088.0*** 464 .105 .097–.114 .566 .536 1.387
Second order 808.5*** 460 .079 .070–.088 .758 .739 1.063
  1. χ2: Satorra–Bentler scaled chi-square, df: Degrees of freedom; RMSEA: root-mean-square error of approximation; CI: Confidence Interval; CFI: Comparative Fit Index; TLI: Tucker-Lewis Index; WRMR: Weighted root-mean-square residual