Demographics
| | | | |
Age (years; mean ± SD)
|
38.4 ± 11.1
|
37.1 ± 10.2
|
42 ± 12.8
|
0.049
|
Male sex (n [%])
|
88 (72.1)
|
62 (70.5)
|
26 (76.5)
|
0.506
|
Return from Sub-Saharan Africa (n [%])
|
107 (87.7)
|
76 (86,4)
|
31 (91.2)
|
0.350
|
Nonimmune patients (n [%])
|
88 (72.1)
|
62 (70.5)
|
26 (76.5)
|
0.506
|
Compliant chemoprophylaxis users (n [%])
|
24 (19.7)
|
17 (19.3)
|
7 (20.6)
|
0.874
|
Latency period (arrival-admission; days; median [IQR])
|
10 (6–15)
|
10 (7–15)
|
8 (4–14)
|
0.778
|
Initial signs and symptoms
| | | | |
Fever (>37°C; n [%])
|
118 (96.7)
|
84 (95.5)
|
34 (100)
|
0.265
|
Headache (n [%])
|
71 (58.2)
|
57 (64.8)
|
14 (41.2)
|
0.018
|
Chills (n [%])
|
43 (35.2)
|
31 (35.2)
|
12 (35.3)
|
0.994
|
Diarrhoea (n [%])
|
46 (37.7)
|
29 (33)
|
17 (50)
|
0.082
|
Nausea (n [%])
|
47 (38.5)
|
31 (35.2)
|
16 (47.1)
|
0.229
|
Vomiting (n [%])
|
29 (23.8)
|
20 (22.7)
|
9 (26.5)
|
0.687
|
Jaundice (n [%])
|
11 (9)
|
0 (0)
|
11 (32.4)
|
0.000
|
Confusion (n [%])
|
5 (4.1)
|
0 (0)
|
5 (14.7)
|
0.001
|
Vertigo (n [%])
|
25 (20.5)
|
14 (15.9)
|
11 (32.4)
|
0.044
|
Myalgias (n [%])
|
47 (38.5)
|
34 (38.6)
|
13 (38.2)
|
0.967
|
Abdominal pain (n [%])
|
10 (8.2)
|
6 (6.8)
|
4 (11.8)
|
0.893
|
Simplified Acute Physiology Score II (median [IQR])
|
13 (9–20)
|
13 (9–17)
|
27 (17–36)
|
0.000
|
IMC/ICU length of stay (days; median [IQR])
|
5 (3–6)
|
4 (2–5)
|
6 (5–8)
|
0.000
|
Hospital length of stay (days; median [IQR])
|
6 (5–8)
|
5.5 (4–7)
|
8 (7–10)
|
0.000
|