S. No

Variable

Regression coefficient

Standard error

Wald

P-value

Odds ratio

95% C.I for Odds ratio

Lower limit

Upper limit

1

Male gender

1.209

0.409

8.719

0.003

3.349

1.501

7.469

2

Chronic pulmonary disease

1.548

0.461

11.288

0.001

4.704

1.906

11.607

3

Corticosteroid use

1.179

0.419

7.925

0.005

3.251

1.431

7.388

4

Smoking

2.454

0.429

32.771

0.000

11.637

5.023

26.963

5

Obesity

1.721

0.408

17.754

0.000

5.590

2.510

12.448

6

Anemia

1.564

0.406

14.827

0.000

2.155

10.586

7

Jaundice

3.197

0.444

51.953

0.000

24.452

10.252

58.321

8

Ascitis

2.411

0.563

18.338

0.000

11.142

3.696

33.584

9

Sepsis

2.422

0.625

14.999

0.000

11.273

3.308

38.410

10

Type of surgery

Liver/Gallbladder/bile duct/pancreas

3.281

0.717

20.958

0.000

26.603

6.530

108.391

Vascular/spleen/ adrenal/Kidney

3.062

0.726

17.770

0.000

21.374

5.147

88.759

Esophagus/ Gastro-duodenum/ Small bowel/Large bowel

1.786

0.604

8.731

0.003

5.965

1.825

19.500

11

Coughing

1.387

0.573

5.858

0.016

4.004

1.302

12.313

12

Wound infection

3.251

0.480

45.886

0.000

25.818

10.079

66.139