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Table 1 Demographic and clinical characteristics of population

From: Host biomarkers distinguish dengue from leptospirosis in Colombia: a case–control study

  Dengue (n = 113) Leptospirosis (n = 47) P value
Demographic characteristics    
Age, years 25.0 (16.0–41.0) 27.0 (20.0–38.0) 0.370
Sex, number (% M) 52 (46.0) 26 (55.3) 0.284
Height, cm 163 (152–170) 164 (157–174) 0.050
Weight, kg 61.0 (50.5–74.5) 62.0 (51.5–71.0) 0.821
Body mass index (kg/m2) 23.2 (19.7–26.9) 21.7 (19.6–24.5) 0.213
Duration of fever, hours 77.0 (64.0–88.8) 70.5 (55.0–79.7) 0.042
Laboratory findings    
Axillary temperature,ºC 36.5 (36.0–37.4) 36.0 (35.6–36.5) 0.003
Number (%) >38ºC 12 (10.6) 3 (6.5) 0.557
Platelet count (x103) 126 (83–180) 202 (175–240) <0.001
Number (%) <100 x103/uL 33 (30) 2 (5.7) <0.001
Leukocyte count 2900 (2200–3950) 4900 (3600–6300) <0.001
Number (%) <5000/uL 99 (90.0) 21 (48.8) <0.001
Hematocrit 38.7 (35.9–42.2) 41.1 (36.7–44.7) 0.062
Positive tourniquet test 75 (66.4) 23 (48.9) 0.039
Signs and symptoms, number (%)    
Headache 107 (94.7) 45 (95.7) 0.780
Retro-orbital pain 79 (69.9) 31 (66.0) 0.623
Asthenia 78 (69.0) 37 (78.7) 0.214
Muscle pain 102 (91.1) 43 (91.5) 0.932
Joint pain 90 (79.6) 35 (74.5) 0.576
Chills 107 (94.7) 44 (93.6) 0.788
Cough 41 (37.6) 22 (46.8) 0.283
Nasal congestion 38 (34.9) 22 (46.8) 0.159
Sore throat 36 (31.9) 26 (55.3) 0.006
Rash 48 (42.5) 7 (14.9) <0.001
Facial erythema 57 (50.4) 7 (14.9) <0.001
Pruritis 35 (32.1) 11 (23.4) 0.274
Nausea 86 (76.1) 37 (78.7) 0.721
Vomiting 38 (33.6) 17 (36.2) 0.758
Diarrhea 42 (37.2) 11 (23.4) 0.092
Abdominal pain 61 (54.5) 25 (53.2) 0.883
Blurred Vision 46 (41.1) 17 (36.2) 0.564
Dizziness 75 (67.0) 40 (85.1) 0.020
Drowsiness 68 (60.7) 28 (59.6) 0.893
Dehydrated 66 (60.6) 32 (69.6) 0.288
Conjunctival injection 48 (42.5) 11 (23.4) 0.023
Orthostatic hypotension 17 (15.0) 2 (4.3) 0.055
Hepatomegaly 1 (0.9) 5 (10.6) 0.003
  1. Data are presented as median (interquartile range) unless otherwise indicated.
  2. Group comparison by Chi-square or Fisher’s exact test (where <5 cases in any specified cell) for dichotomous variables or Mann–Whitney for continuous variables.