Table 1 Characterization of dengue fever cases in Hajjah governorate, Yemen (2020–2024).

From: Epidemiology of dengue fever in Hajjah governorate, yemen, from 2020 to 2024

Variables

Subgroups

Total Cases

No. (%)

Positive

No. (%)

Negative

No. (%)

χ2

P value

Sex

Male

6994 (65.9)

5226 (74.7)

1768 (25.3)

26.662

0.000

Female

3623 (34.1)

2558 (70.6)

1065 (29.4)

Age group

˂5

742 (7.0)

528 (71.2)

214 (28.8)

2.426

0.481

5–14

2163 (20.4)

1632 (75.5)

531 (24.5)

15–29

4352 (41.0)

3264 (75.0)

1088 (25.0)

30–44

2233 (21.0)

1578 (70.7)

655 (29.3)

45–59

687 (6.5)

465 (67.7)

222 (32.3)

≥ 60

440 (4.1)

317 (72.0)

123 (28.0)

Year of onset

2020

4611 (43.4)

3756 (81.5)

855 (18.5)

672.814

0.000

2021

540 (5.1)

412 (76.3)

128 (23.7)

2022

2839 (26.7)

1959 (69.0)

880 (31.0)

2023

529 (5.0)

209 (39.5)

320 (60.5)

2024

2098 (19.8)

1448 (69.0)

650 (31.0)

  1. χ2 = Chi-square test, P value ˂ 0.05 (statistically significant).