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Table 1 Population characteristics ( n = 28)

From: Clinical characteristics of redback spider bites

Characteristics Values
Age (years) 32 (15.5–56.5)
 >65 years 4 (14.3%)
 <15 years 6 (21.4%)
Gender, male, n (%) 11 (39.3)
Bite site  
 Hand 12 (42.9)
 Forearm 5 (17.9)
Clinical symptoms  
 Local  
  Local pain, n (%) 25 (89.2)
  Edema, n (%) 13 (46.4)
  Erythema, n (%) 24 (85.7)
 Systemic symptoms 10 (35.7)
  Sweating, n (%) 2 (7.1)
  Headache, n (%) 2 (7.1)
  Nausea, n (%) 4 (14.8)
  Numbness on the abdomen, n (%) 2 (7.1)
  Systemic pain, n (%) 2 (7.1)
  Others (high grade fever at 39°C light headedness), n (%) 2 (7.1)
Vital signs on admission  
 SBP (mmHg) 132 (123–150)
 BT (°C) 36.8 (36.4–37.1)
Laboratory data  
 WBC (/mm3) 9,000 (6,597–9,600)
 Platelet count (×104/mm3) 23.6 (17.8–28.9)
 CK (IU/L) 156 (73–170)
 AST (IU/L) 33 (22–52)
Treatment  
 Antivenom, n (%) 6 (21.4)
 Analgesics, n (%) 8 (28.6)
Outcome  
 Hospital admission, n (%) 4 (14.3)
 ICU admission, n (%) 1 (3.6)
Mortality, n (%) 0 (0)
  1. Data are presented as median (interquartile range, IQR) for continuous variables and n (percentage) for categorical variables.
  2. SBP systolic blood pressure; BT body temperature; WBC white blood cell; CK creatine kinase; AST aspartate aminotransferase.