Table 2 Results of confirmatory factor analysis of the KOOS-ACL-Tr
From: Validity and reliability study of the Turkish version of KOOS-ACL questionnaire
Model fit indices | Good fit | Acceptable fit | KOOS-ACL-Tr’s value |
|---|---|---|---|
Chi-square (χ2) | 90.079 | ||
p-value | 0.05 < p ≤ 1 | 0.001 < p ≤ 0.05 | 0.001 |
degrees of freedom (df) | 51 | ||
χ2/df | 0 ≤ χ2/sd ≤ 2 | 2 < χ2/sd ≤ 3 | 1.766 |
Root Mean Square Error of Approximation (RMSEA) | 0 ≤ RMSEA ≤ 0.05 | 0.05 < RMSEA ≤ 1 | 0.076 |
Root Mean Square Residual (RMR) | 0 ≤ SRMR ≤ 0.05 | 0.05 < SRMR ≤ 1 | 0.064 |
Comparative Fit Index (CFI) | 0.95 ≤ CFI ≤ 1 | 0.90 ≤ CFI < 0.95 | 0.973 |
Goodness-Of-Fit Index (GFI) | 0.95 ≤ GFI ≤ 1 | 0.90 ≤ GFI < 0.95 | 0.900 |
Adjusted Goodness-Of-Fit Index (AGFI) | 0.90 ≤ AGFI ≤ 1 | 0.85 ≤ AGFI < 0.90 | 0.847 |
Incremental Fit İndex (IFI) | 0.95 ≤ IFI ≤ 1 | 0.90 ≤ IFI < 0.95 | 0.974 |
Turker-Lewis Index (TLI) | 0.95 ≤ TLI ≤ 1 | 0.90 ≤ TLI < 0.95 | 0.965 |