Classification of gastrointestinal symptom patterns in young adults

BMC Gastroenterology

Table 3 Summary of Statistical Model Fit Statistics Used for Model Selection

Model	BIC	L²	df	p ^a	Entropy	Class Error
Baseline 1-Class Model	6798.2738	1185.6210	940	1.00	1.00	0.0000
2-Class Model	6339.2847	603.0833	922	0.0020	0.7033	0.0621
3-Class Model	6344.9257	485.1760	904	0.0980	0.6426	0.1101
4-Class Model	6426.8327	443.5345	886	0.0640	0.6548	0.1139
5-Class Model	6518.9844	412.1377	868	0.0119	0.6022	0.1637
6-Class Model	6624.2116	393.8164	850	0.0142	0.6939	0.1347
7-Class Model	6722.1687	368.2251	832	0.0103	0.7045	0.1332

Note. Comparison between the 2-Class and 3-Class are shown with values in bold indicating optimal values. The 4-Class and higher models did not meet the minimum group size criteria. BI Bayesian information criterion; L² Likelihood-ratio; df Degrees of freedom; p p-value; Entropy = quality of predicting model classification with values closer to 1 preferred
^a p value calculated using bootstrap method

ISSN: 1471-230X