Table 1. Overview of demographics, symptoms, and laboratory values for subjects enrolled in the study (n = 543).
Numerical data are shown as means and were analyzed with Welch 2-Sample T-test. Categorical data shown as percentages and analyzed with Fisher’s Exact Test.
| SISA (N = 543) | SISAL (N = 98) | |||||
|---|---|---|---|---|---|---|
| Hospitalized (n = 59) | Outpatient (n = 484) | p-value | Hospitalized (n = 59) | Outpatient (n = 39) | p-value | |
| Age (years) | 23.3 | 25 | 0.38 | 23.3 | 22.3 | 0.75 |
| Height (cm) | 154.2 | 147.9 | 0.01 | 154.2 | 154.2 | 0.99 |
| Weight (kg) | 58.2A | 56.5 | 0.61 | 58.2A | 57 | 0.78 |
| MUA Circumference (cm) | 25.4 | 25.9 | 0.5 | 25.4 | 25.9 | 0.64 |
| Waist Circumference (cm) | 83.9 | 78.4 | 0.05 | 83.9 | 78 | 0.1 |
| Temperature (°C) | 37.7 | 37.4 | 0.01 | 37.7 | 37.2 | 0.02 |
| Hematocrit (%) | 37.6 | 39.8 | 0.02 | |||
| WBC Count (cells/ML) | 5435 | 6863 | 0.18 | |||
| Neutrophils (%) | 58.1 | 54.5 | 0.38 | |||
| Lymphocytes (%) | 30.6 | 33.5 | 0.38 | |||
| Platelet Count | 117627 | 203333 | <0.01 | |||
| Gender (% female) | 63 | 54 | 0.27 | 63 | 51 | 0.30 |
| Fever in past 7 days (%) | 97 | 94C | 0.56 | 97 | 97 | 1.00 |
| Head pain (%) | 64 | 79A | 0.01 | 64 | 82 | 0.07 |
| Nausea (%) | 54 | 53A | 0.09 | 54 | 59 | 0.68 |
| Muscle or joint pain (%) | 70 | 81A | 0.04 | 70 | 82 | 0.24 |
| Rash (%) | 20 | 29A | 0.22 | 20 | 15 | 0.60 |
| Bleeding (%) | 24 | 4A | <0.01 | 24 | 5 | 0.02 |
| Rhinorrhea (%) | 19 | 26A | 0.27 | 19 | 21 | 1.00 |
| Vomiting (%) | 56 | 27B | <0.01 | 56 | 31 | 0.02 |
| Drowsiness or lethargy (%) | 80 | 84B | 0.46 | 80 | 92 | 0.15 |
| Coughing (%) | 37 | 35B | 0.77 | 37 | 26 | 0.27 |
| Abdominal pain (%) | 70 | 50B | <0.01 | 70 | 56 | 0.20 |
| Diarrhea (%) | 29 | 22B | 0.33 | 29 | 44 | 0.19 |
| Retro-orbital pain (%) | 56 | 66C | 0.15 | 56 | 77 | 0.05 |
| Positive tourniquet test (%) | 17 | 3D | <0.01 | 17 | 5 | 0.01 |
| History of allergies (%) | 20 | 20A | 0.86 | 20 | 18 | 0.80 |
| History of hypertension (%) | 5 | 6A | 1.00 | 5 | 10 | 0.43 |
| History of asthma (%) | 2 | 4A | 0.71 | 2 | 3 | 1.00 |
| History of cancer (%) | 0 | 2A | 0.61 | 0 | 0 | 1.00 |
| History of diabetes (%) | 2 | 3A | 1.00 | 2 | 0 | 1.00 |
| History of dengue in the household (%) | 17 | 12A | 0.30 | 17 | 5 | 0.12 |
| History of dengue (%) | 19 | 22A | 0.74 | 19 | 18 | 1.00 |
| Pregnancy (self-reported) (%) | 19 | 2 | <0.01 | 19 | 3 | 0.22 |
SISA = Severity Index for Suspected Arbovirus or Severidad de Infeccion Sospechosa de Arbovirus, SISAL = Severity Index for Suspected Arbovirus with Laboratory or Severidad de Infeccion Sospechosa de Arbovirus con Laboratorio, cm = centimeters, kg = kilograms, MUA = mid-upper arm,°C = degrees Celsius, WBC = white blood cell, μL = microliters.
A Missing n = 1
B Missing n = 2
C Missing n = 3
D Missing n = 4, % Pregnant is taken from the total population (male and female)