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Table 2 Variables and coefficients included in stepwise logistic regression model and logistic regression with LASSO model

From: Prognostic nomogram for 30-day mortality of deep vein thrombosis patients in intensive care unit

Variables

Stepwise logistic regression

Logistic regression with LASSO

Estimate

SE

P value

Estimate

SE

P value

Intercept

− 5.964

1.158

–

− 2.716

0.379

–

 General Condition

  Age

   ≥ 75

1.424

0.320

< 0.001

0.887

0.282

0.002

 Systolic blood pressure (mmHg)

  ≥ 110

− 0.748

0.319

0.019

-0.727

0.281

0.010

 Respiratory rate (1/min)

  ≥ 30

1.172

0.729

0.108

–

–

–

 Acute DVT

  Yes

2.333

0.923

0.012

–

–

–

Comorbidity

 Sepsis

  Yes

1.083

0.370

0.003

1.036

0.325

0.001

 Pulmonary circulation disorder

  Yes

0.673

0.336

0.045

–

–

–

 Neurological disease

  Yes

− 0.979

0.491

0.046

–

–

–

 Chronic pulmonary disease

  Yes

1.167

0.346

< 0.001

–

–

–

 Lymphoma

  Yes

1.861

0.827

0.024

–

–

–

 Metastatic cancer

  Yes

1.782

0.414

< 0.001

1.328

0.366

< 0.001

 Obesity

  Yes

1.180

0.553

0.033

–

–

–

Laboratory Indicators

 50-RDW (%)

  ≥ 34.5

− 0.646

0.295

0.028

–

–

–

 Lymphocyte (%)

  ≥ 8.5

− 0.749

0.307

0.015

–

–

–

 Anion gap (mEq/L)

  ≥ 16

− 1.007

0.392

0.010

–

–

–

  14–16

− 0.427

0.401

0.287

–

–

–

 Blood urea nitrogen (mg/dL)

  ≥ 18.5

1.292

0.378

< 0.001

0.911

0.304

0.003

 Log10(creatinine (mg/dL))

  ≤ − 0.1

1.205

0.394

0.002

–

–

–

  ≥ 0.2

0.724

0.385

0.060

–

–

–

 Albumin (g/dL)

  ≥ 3

–

–

–

− 0.864

0.287

0.003

 Log10(lactate (mmol/L))

  ≥ log10(2.25)

0.927

0.311

0.003

0.657

0.270

0.015

 PT (s)

  ≥ 14.5

0.809

0.308

0.009

–

–

–

 Log10(NLR)

  ≥ 1.1

–

–

–

0.872

0.276

0.002

  1. LASSO least absolute shrinkage and selection operator, SE standard error, DVT deep vein thrombosis, RDW red blood cell volume distribution width, PT prothrombin time, NLR neutrophil-to-lymphocyte ratio