Table 1. Main characteristics of patients with arbovirus monoinfections included in study of arbovirus infections, Spain, 2009–2018*.
| Characteristic | Immigrants, n = 23 | VFR immigrants, n = 308 | VFR travelers, n = 21 | Travelers, n = 493 | p value |
|---|---|---|---|---|---|
| Median age (IQR), y |
25 (14-48) |
40 (34-48) |
29 (11-37) |
35 (29-43) |
<0.001 |
| Sex, no. (%) | <0.001 | ||||
| F | 13(56.5) | 240 (77.9) | 10 (47.6) | 263 (53.4) | |
| M |
10 (43.5) |
68 (22.1) |
11 (52.4) |
230 (46.7) |
|
| Etiologic virus, no. | <0.001 | ||||
| Dengue | 14 | 93 | 9 | 340 | |
| Chikungunya | 8 | 162 | 7 | 103 | |
| Zika |
1 |
53 |
5 |
50 |
|
| Region, no. (%)† | <0.001 | ||||
| Sub-Saharan Africa | 4 (17.4) | 12 (3.9) | 2 (9.5) | 42 (8.5) | |
| North America | 0 | 0 | 0 | 2 (0.4) | |
| Central America and Caribbean | 5 (21.7) | 94 (30.5) | 9 (42.9) | 128 (26.0) | |
| South America | 10 (43.5) | 192 (62.3) | 6 (28.6) | 84 (17.1) | |
| South-central Asia | 3 (13.0) | 6 (2.0) | 0 | 61 (12.4) | |
| Eastern Asia | 0 | 0 | 0 | 2 (0.4) | |
| Southeast Asia | 1 (4.4) | 4 (1.3) | 3 (14.3) | 166 (33.7) | |
| Australasia | 0 | 0 | 1 (4.8) | 4 (0.8) | |
| Europe |
0 |
0 |
0 |
2 (0.4) |
|
| Median travel days, no. (IQR) | 0 | 30 (27–55) | 30 (21–75) | 23 (15–50) | <0.001 |
| Median weeks until first consultation, no. (IQR) | 1.2 (0.6–4.3) | 2 (0.9–5.8) | 2.6 (1.3–4.4) | 1.1 (0.4–3.6) | <0.001 |
| Travel >30 d, no. (%) | 0 | 135 (44.3) | 10 (47.6) | 164 (33.3) | 0,.05 |
| Pretravel advice, no. (%) | 0 | 21 (6.9) | 3 (14.3) | 218 (44.3) | <0.001 |
| Immunosuppression, no. (%) | 1 (4.4) | 4 (1.3) | 2 (9.5) | 5 (1.0) | 0.008 |
*IQR, interquartile range; VFR, visiting friends and relatives. †Data from Red Cooperativa para el Estudio de las Infecciones Importadas por Viajeros e Inmigrantes (+Redivi, http://www.redivi.es).