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Table 2 Coefficients and adjusted odds ratios of each feature in SW-model

From: Venous thromboembolism risk assessment of surgical patients in Southwest China using real-world data: establishment and evaluation of an improved venous thromboembolism risk model

Feature name

Coefficients

(p value)

Adjusted odds ratio

(95% confidence interval)

History of DVT or PE

3.575

(p < 0.001)

35.701

([18.266,69.779])

Septicemia

1.737

(p = 0.008)

5.681

([1.589,20.312])

Serious lung disease

1.599

(p < 0.001)

4.946

([3.296,7.422])

Bedridden

1.277

(p < 0.001)

3.585

([2.744,4.685])

Fluid blood in operation

1.187

(p < 0.001)

3.277

([2.484,4.324])

Operation duration: > 180 min

1.152

(p < 0.001)

3.164

([2.480,4.036])

Age: > 75 years

0.913

(p < 0.001)

2.493

([1.751,3.548])

Abnormal serum homocysteine levels

0.883

(p < 0.001)

2.418

([1.687,3.464])