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Table 1 Outcomes and variables explored in this study

From: Temporality of clinical factors associated with pancreatic cancer: a case-control study using linked electronic health records

Group

Variables

Categorisation

Outcome

Incidence

Pancreatic cancer

Non-malignant pancreatic disease

Control

Demographic

Gender

Female, Male

Ethnicity

White, South Asian, Black, Other [, Not known]

Age groupb

18-40, 41-50, 51-60, 61-70, 71-80, > 80 years

Comorbiditiesa

 Cardiometabolic and respiratory

Diabetes

No

0-6 months (peri-diagnosis)

> 6-36 months (recent-onset)

> 3 years (long-standing)

Hypertension

Hyperlipidaemia

Cardiovascular disease

Chronic respiratory disease

Chronic renal disease

 Gastrointestinal

Acute pancreatic disease

Chronic pancreatic disease

Chronic biliary disease

Chronic liver disease

Upper GI disease

Lower GI disease

Lifestyle factorsb

Smoker

Never

Past

Recent

[Not known]

Alcohol drinker

Substance user

Obese

  1. GI Gastrointestinal tract
  2. aCategorised according to the duration of the disease on the diagnosis date of the outcome category
  3. bCategorised according to the representation on the diagnosis date of the outcome category