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Journal of Patient-Reported Outcomes

Table4 Fit indices of first- and second-order confirmatory factor analysis of the QoR-15 questionnaire

From: Psychometric properties of the Persian version of the quality of recovery-15 questionnaire

CFA

χ2

df

P-value

CMIN/df

RMSEA

PCFI

PNFI

AGFI

IFI

CFI

First-order after structure modification

156.236

81

 < 0.001

1.92

.052

.642

.681

.702

.924

.962

Second-order after structure modification

241.793

89

 < 0.001

2.71

.062

.631

.573

.628

.903

.952

  1. QoR-15: Quality of recovery; CFA: confirmatory factor analysis; CMIN/DF: Chi-square/degree-of-freedom ratio; RMSEA: Root Mean Square Error of Approximation; PCFI: Parsimonious Comparative Fit Index; PNFI: Parsimonious Normed Fit Index; AGFI: Adjusted Goodness-of-Fit Index; IFI: Incremental Fit Index; CFI: Comparative Fit Index
  2. Fit indices: PNFI, PCFI, AGFI (> 0.5), CFI, IFI (> 0.9), RMSEA (> 0.08), and CMIN/DF (> 3 good, > 5 acceptable)
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