Determination of Seroprevalence and Risk Factors of Crimean–Congo Haemorrhagic Fever (CCHF) in the Endemic Region in Turkey: A Population-Based Cross-Sectional Study

Table 3

Comparison of anti-CCHF IgG seropositivity frequency in females and males by age groups of the participants.

Age groups	Female			Male			Total
	n	Seropozitivity n (%)	value	n	Seropozitivity n (%)	value	n	Seropozitivity n (%)
20–29	169	3 (1.8)	0.001	124	2 (1.6)	<0.001	293	5 (1.7)
30–39	357	7 (2.0)		275	10 (3.6)		632	17 (2.7)
40–49	220	8 (3.6)		167	10 (6.0)		387	18 (4.7)
50–59	228	11 (4.8)		228	19 (8.3)		456	30 (6.6)
≥60 years	298	24 (8.1)		253	36 (14.2)		551	60 (10.9)
Total	1272	53 (4.2)		1047	77 (7.4)		2319	130 (5.6)

Anti-CCHFV IgG, anti-Crimean–Congo haemorrhagic fever virus immunoglobulin G. Pearson chi-square tests.