Open Access

Table 2.

Seroprevalence of Dirofilaria immitis infection in dogs in Henan province, central China.

Variable No. examined No. positive Prevalence (%)
Region
 Anyang 224 40 17.86bc
 Sanmenxia 235 23 9.79a
 Zhengzhou 256 19 7.42a
 Xinyang 242 28 11.57ab
 Shangqiu 219 45 20.55c
Sex
 Male 617 88 14.26
 Female 559 67 11.99
Rearing condition
 Indoor 545 52 9.54a
 Outdoor 631 103 16.32b
Age (years)
 ≤3 318 22 6.92a
 3 ~ 6 573 70 12.22b
 ≥ 6 285 63 22.11c
Total 1176 155 13.18

Values bearing a different superscript letter (a–c) within a column differ significantly from one another (p < 0.05).

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