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Table 5 Multivariable model for clinical variables from 822 horses on the primary presentation to veterinary practitioners for clinical signs of colic, categorised as critical or non-critical on the basis of case outcome

From: Prospective study of the primary evaluation of 1016 horses with clinical signs of abdominal pain by veterinary practitioners, and the differentiation of critical and non-critical cases

Variable

Coefficient

SE

Odds ratio

95 % CI

P value

Combined pain score

0.171

0.045

1.187

1.086–1.297

<0.001

Heart rate (beats per minute)

0.057

0.010

1.058

1.037–1.080

<0.001

Capillary refill time

 <2.5 s

Ref.

    

 >2.5 s

1.167

0.372

3.213

1.023–10.09

0.046

Pulse character

 Strong

Ref.

    

 Weak

1.061

0.372

2.889

1.394–5.987

0.004

Absence of gut sounds

 No

Ref.

    

 Yes

1.295

0.287

3.652

2.082–6.406

<0.001