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Table 2 Latent Class Analysis (LCA): Results from the WHAS and the FRéLE studies

From: Revisiting the hypothesis of syndromic frailty: a cross-sectional study of the structural validity of the frailty phenotype

           Bootstrap
  Loglikehood   Chi-Square Fit BIC Differences in BIC loglikehood
    P Values     ratio test
# of Classes FRéLE WASP d.f. FRéLE WASP FRéLE WASP FRéLE WASP FRéLE
3 (vs. 2) − 3665,2 N.Av.** 14 0,48 0,52 7456 3467 26 27 0,030
2 (vs. 1) − 3674,1 N.A. 20 0,05 0,22 7430 3440 − 445 − 143 < 0.001
1 class − 3919,0 N.A. 26 < 0.001 < 0.001 7875 3583 N.Ap.*** N.Ap.*** N.Ap.
* Woman Health and Aging Study         
** N.Av. Not Available          
*** N.Ap. Not Applicable