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Table 1 Statistical validation criteria of the solutions from three to seven clusters

From: Development and validation of clinical profiles of patients hospitalized due to behavioral and psychological symptoms of dementia

  Calinski-Harabasz index Kappa coefficient
3-cluster solution 308.26 0.41
4-cluster solution 267.41 0.83
5-cluster solution 275.50 0.64
6-cluster solution 221.99 0.57
7-cluster solution 200.54 0.55