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Table 4 Final multiple logistic regression models for surgically and medically treated colic cases and "simulated field situation" based upon variables presented in Table 3. Results are given as estimates (95 % confidence limits) and Odds Ratio (95 % confidence limits).

From: Evaluation of Clinical and Laboratory Variables as Prognostic Indicators in Hospitalised Gastrointestinal Colic Horses

Treatment group

Variable

Estimate

Odds Ratio

Surgically treated

Heart rate

0.11 (0.04–0.18)

3.00 (1.49–6.05)*

cases

Abnormal mucous membranes

2.90 (0.73–5.07)

18.23 (2.08–159)

Medically treated cases

PCV

0.20 (0.07–0.32)

1.22 (1.07–1.37)**

Simulated field

Heart rate

0.07 (0.04–0.11)

2.05 (1.62–2.88)*

situation

Abnormal mucous membranes

1.18 (0.03–2.34)

3.25 (1.03–10.3)

  1. * Per increase of 10 units
  2. **Per increase of 1 unit