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Table 1 Patient characteristics. Baseline characteristics and clinical parameters at admission of 153 hospitalized adults with either severe or non-severe dengue according to the WHO’s 2009 definition

From: Identification of clinical factors associated with severe dengue among Thai adults: a prospective study

Characteristics Severe dengue (n = 21) Non-severe dengue (n = 132) p-value
# (%) # (%)
Baseline characteristics    
Age    0.004
  ≤ 40 years 12 (57.1) 113 (85.6)  
  > 40 years 9 (42.9) 19 (14.4)  
Gender    0.771
 Male 10 (47.6) 71 (53.8)  
 Female 11 (52.4) 61 (46.2)  
Residential area    1.000
 Bangkok 18 (85.7) 109 (82.6)  
 Outside Bangkok 3 (14.3) 23 (17.4)  
Medication before admission    
 Acetaminophen 20 (95.2) 123 (93.2) 1.000
 NSAIDs or COX II inhibitors 6 (28.6) 13 (9.8) 0.027
Clinical parameters    
Vital signs    
 Temperature, median (IQR), °C 37.8 (37.0–39.0) 38.4 (37.8–39.2) 0.162
 HR, median (IQR), beats/min 82 (68–90) 79 (66–88) 0.176
 MAP, median (IQR), mmHg 83 (70–92) 86 (78–92) 0.561
 PP, median (IQR), mmHg 32 (26–45) 38 (33–45) 0.058
History and physical examinations    
 Myalgia 20 (95.2) 120 (90.9) 1.000
 Lethargy 19 (90.5) 101 (76.5) 0.251
 Headache 18 (87.5) 113 (85.6) 1.000
 Fever ≥4 days 17 (81.0) 84 (63.6) 0.191
 Tourniquet test positive 16 (76.2) 111 (84.1) 0.359
 RR ≥24 breaths/min 15 (71.4) 112 (84.8) 0.206
 Mucosal bleeding 14 (66.7) 48 (36.4) 0.017
 Skin bleeding 13 (61.9) 28 (21.2) <0.001
 Liver span > 15 cm 12 (57.1) 19 (14.4) <0.001
 Retro-orbital pain 11 (52.4) 90 (68.2) 0.241
 Decrease breath sound 11 (52.4) 6 (4.5) <0.001
 Arthralgia 10 (47.6) 37 (28.0) 0.120
 Rash 10 (47.6) 61 (46.2) 1.000
 Abdominal pain 9 (42.9) 53 (40.2) 1.000
 Persistent vomiting 9 (42.9) 15 (11.4) 0.001
 Diarrhea 5 (23.8) 44 (33.3) 0.537
  1. Abbreviations: NSAIDs nonsteroidal anti-inflammatory drugs, COX II cyclooxygenase II, IQR interquartile range, HR heart rate, MAP mean arterial pressure, PP pulse pressure, RR respiratory rate