Classification of patients based on their evaluation of hospital outcomes: cluster analysis following a national survey in Norway

Table 2 Response clusters based on patient evaluation of outcomes related to satisfaction, malpractice and benefit of treatment

	n	%	*Outcome items—centroids* ^a
*Response cluster*			General satisfaction, mean (SD)	Malpractice, mean (SD)	Benefit of treatment, mean (SD)
Cluster 1: “Excellent services”	2241	23.5	5.0 (0.00)	4.9 (0.29)	5.0 (0.00)
Cluster 2: “Very good services, but not totally satisfied”	687	7.2	4.0 (0.20)	4.8 (0.49)	5.0 (0.00)
Cluster 3: “Very good services, but not totally beneficial”	1487	15.6	5.0 (0.00)	4.9 (0.39)	3.8 (0.36)
Cluster 4: “Good services”	2864	30.0	4.0 (0.25)	4.8 (0.55)	4.0 (0.00)
Cluster 5: “Services have clear improvement needs”	1769	18.5	3.7 (0.56)	4.5 (0.75)	2.8 (0.50)
Outlier group: “Very poor services”	504	5.3	2.9 (1.26)	2.0 (0.98)	2.7 (1.29)

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