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Table 2 Results of the latent class analysis: model fit indices comparing different class solutions

From: Identifying the Zheng in psoriatic patients based on latent class analysis of traditional Chinese medicine symptoms and signs

Index

Number of class (k)

 

2

3*

4

5

BIC

31936

31788

31987

31904 

VLMR LR test (p-value)

0.0004

0.037

0.7025

0.9799

Proportion of each class

47.3%

35.1%

24.1%

21.9%

 

52.7%

34.7%

21.1%

16.0%

 

30.2%

21.9%

31.4%

 

32.9%

9.1%

 

21.6%

  1. *Best fitted model.