Patterns of Brucellosis Infection Symptoms in Azerbaijan: A Latent Class Cluster Analysis

Table 1

Cluster analysis of symptoms of 454 brucellosis cases in Azerbaijan.

Feature	Total (%)	Cluster 1 (%)	Cluster 2 (%)	value
Age in years, median	26	26	27	0.983
Males	333 (74)	270 (74)	63 (72)	0.719
Diagnosis in spring season	124 (27)	100 (27)	24 (27)	0.993
Hospitalization	231 (55)	181 (53)	50 (60)	0.305
Assistance in animal birth	258 (57)	228 (62)	30 (34)	<0.001
Contact with sick animals	113 (25)	97 (26)	16 (18)	0.138
Consumption of unpasteurized products	173 (38)	155 (42)	18 (20)	<0.001
Number of symptoms, median [range]	6 [5–8]	6 [5–8]	9.5 [5–10]	<0.001
Days between disease onset and seeking medical care, mean	22.5	20.6	31.6	0.028