Table 2 Baseline characteristics of patients seeking care due symptoms compatible with Zika in Tapachula, Chiapas (Mexico, 2015–2018) (N = 427)
Clinical manifestation | Zika (n = 37) | Dengue (n = 82) | Unidentified illness episode (n = 307) |
|---|---|---|---|
Days between first symptom and visit | 3 (0–6) * | 5 (1–7)*,≠ | 4 (0–7)≠ |
< 18 year old | 4 (3–5) | 5 (1–7) | 4 (1–7) |
18–64 year old | 3 (0–6) | 5.0 (1–7) | 4.0 (0–7) |
> 65 year old | – | 5.0 (5–5) | 4.0 (1–6) |
Fever, (> 37.2 °C)1 | 26 (70.3%)* | 78 (95.1%)*,≠ | 258 (84%)≠ |
< 18 year old | 2 (100.0%) | 25 (100.0%) | 37 (88.1%) |
18–64 year old | 23 (65.7%) | 52 (92.9%) | 212 (82.8%) |
> 65 year old | – | 1 (100.0%) | 9 (100.0%) |
Days between onset of fever and visit | 3 (0–6)*,# | 5 (1–7) *,≠ | 3 (0–7)≠,# |
< 18 year old | 2.5 (2–3) | 5.0 (1–7) | 4.0 (0–7) |
18–64 year old | 3.0(0–6) | 4.5 (1–7) | 3.0 (0–7) |
> 65 year old | – | 5.0 (5–5) | 4.0 (1–6) |
Conjunctivitis1 | 17 (45.9%) | 30 (36.6%) | 126 (41%) |
< 18 year old | 0 (0.0%) | 12 (48.0%) | 14 (33.3%) |
18–64 year old | 16 (45.7%) | 17 (30.4%) | 104 (40.6%) |
> 65 year old | – | 0 (0.0%) | 6 (66.7%) |
Days between onset of conjunctivitis and visit | 2 (0–5)*,# | 4 (1–7)*,≠ | 3 (0–7)≠,# |
< 18 year old | – | 3.5 (1–7) | 3.0 (1–6) |
18–64 year old | 2.0 (0–5) | 5.0 (2–7) | 3.0 (0–7) |
> 65 year old | – | – | 4.5(1–6) |
Rash1 | 22 (59.5%)# | 48 (58.5%)≠ | 111 (36.2%)≠,# |
< 18 year old | 0 (0.0%) | 17 (68.0%) | 17 (40.5%) |
18-64 year old | 21 (60.0%) | 29 (51.8%) | 90 (35.2%) |
> 65 year old | 1 (100.0%) | 4 (44.4%) | |
Days between onset of rash and visit | 2 (0–6) | 3 (0–7)≠ | 2 (0–7)≠ |
< 18 year old | – | 3.0 (1–7) | 2.0 (0–6) |
18–64 year old | 2.0 (0–6) | 2.0 (0–7) | 2.0(0–7) |
> 65 year old | 5.0 (5–5) | 1.5 (1–3) |