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Table 2 Clinical parameters in dogs bitten by Vipera berus

From: The effect of a single dose of prednisolone in dogs envenomated by Vipera berus – a randomized, double-blind, placebo-controlled clinical trial

Variable

Day

PRED n = 38

PLACEBO n = 37

Reduced mental status

1

33/38 (87%)

27/37 (73%)

2

10/38 (26%)

7/37 (19%)

Edema1

1

1.24 (n = 17)

1.22 (n = 18)

2

1.21 (n = 17)

1.23 (n = 20)

Mild edema

1

2/34

8/33

Mild or no edema

2

12/34

16/34

Decreased appetite

2

10/34 (29%)

10/35 (29%)

Vomiting

1

6/38 (16%)

4/37 (11%)

2

4/38 (11%)

2/37 (5.4%)

  1. 1Edema was compared to the circumference of the measured area at re-examination after 10–28 days. The number of dogs with available data on edema is given within brackets.
  2. The dogs were treated with 1 mg/kg bodyweight prednisolone (PRED) or saline (PLACEBO) subcutaneously.