Table 2 Logistic regression for severity and mortality using the lowest measured albumin cohort.

Lowest measured albumin (n = 1272)—mortality

On-admission albumin level

 30–34.99 g/L (vs. ≥ 35 g/L)

− 0.016

0.531

0.984

0.313–2.621

0.976

 25–29.99 g/L (vs. ≥ 35 g/L)

1.069

0.448

2.912

1.166–6.893

0.017

 < 25 g/L (vs. ≥ 35 g/L)

2.823

0.365

16.828

8.323–35.129

 < 0.001

Age

 Per years

0.043

0.012

1.044

1.021–1.070

 < 0.001

Gender

 Female (vs. male)

− 0.352

0.347

0.703

0.352–1.380

0.309

Aetiology

 Alcohol (vs. biliary)

0.909

0.523

2.481

0.880–6.960

0.083

 HTG (vs. biliary)

1.569

0.766

4.803

0.914–19.900

0.041

 Biliary + alcohol (vs. biliary)

1.651

0.793

5.215

0.949–22.798

0.037

 Biliary + HTG (vs. biliary)

− 12.335

786.272

–

–

0.987

 Alcohol + HTG (vs. biliary)

1.356

0.793

3.880

0.709–17.009

0.087

 Idiopathic (vs. biliary)

1.402

0.402

4.063

1.878–9.181

 < 0.001

 Other (vs. biliary)

0.213

0.807

1.237

0.182–5.045

0.792

Lowest measured albumin (n = 1272)—severity

On-admission albumin

 30–34.99 g/L (v. ≥ 35 g/L)

0.858

0.410

2.359

1.030–5.240

0.036

 25–29.99 g/L (v. ≥ 35 g/L)

2.460

0.345

11.709

6.038–23.515

 < 0.001

 < 25 g/L (v. ≥ 35 g/L)

3.887

0.346

48.761

25.276–98.908

 < 0.001

Age

 Per years

0.032

0.009

1.032

1.015–1.051

 < 0.001

Gender

 Female (vs. male)

− 0.332

0.274

0.718

0.417–1.225

0.226

Aetiology

 Alcohol (vs. biliary)

0.093

0.403

1.097

0.492–2.403

0.818

 HTG (vs. biliary)

1.060

0.565

2.885

0.910–8.476

0.061

 Biliary + alcohol (vs. biliary)

0.172

0.778

1.188

0.222–5.006

0.825

 Biliary + HTG (vs. biliary)

− 13.429

753.256

–

–

0.986

 Alcohol + HTG (vs. biliary)

0.497

0.657

1.643

0.422–5.688

0.450

 Idiopathic (vs. biliary)

0.541

0.320

1.718

0.915–3.218

0.091

 Other (vs. biliary)

0.008

0.547

1.008

0.310–2.744

0.988