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Table 2 Comparison between the groups with local and systemic symptoms

From: Clinical characteristics of redback spider bites

 

Limited to local (n= 18)

Systemic (n= 10)

Pvalue

Age (years)

30.5 (10.8–52.3)

32.5 (18.5–59.8)

0.49

 >65, n (%)

3 (16.7)

1 (10)

1.00

 <15, n (%)

5 (27.8)

1 (10)

0.37

Gender, male, n (%)

6 (33.3)

5 (50)

0.44

Bite site

  

0.12

 Hand

11 (61.1)

1 (10)

 

 Forearm

2 (11.1)

3 (30)

 

 Other/unknown

5 (27.8)

6 (60)

 

Vital signs on admission

   

 SBP (mmHg)

135 (111–156)

130 (125–136)

0.67

 BT (°C)

36.9 (36.4–37.1)

36.7 (36.5–36.8)

0.59

Laboratory data

   

 WBC (/mm3)

7,697 (5,398–9,550)

9,000 (7,350–9,750)

0.46

 Platelet count (×104/mm3)

23.3 (17.8–30.4)

23.6 (18.0–28.9)

0.88

 CK (IU/L)

123 (65–169)

159 (85–190)

0.62

 AST (IU/L)

35 (23–51)

28 (22–61)

0.77

Treatment

   

 Antivenom, n (%)

2 (11.1)

4 (40)

0.15

 Analgesics, n (%)

5 (27.8)

3 (30)

1.00

Outcome

   

 Hospital admission, n (%)

1 (5.6)

3 (30)

0.12

 ICU admission, n (%)

0 (0)

1 (10)

0.36

  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.