Metadata

Name Barrett’s oesophagus (barretts)
Category Digestive
Sex
Adult Yes
UUID f78dc26c-95cf-4ce7-8023-22daff4e24e1
Definition Barrett’s Oesophagus is the term used for a pre-cancerous condition where the normal cells lining the oesophagus, also known as the gullet or food pipe, have been replaced with abnormal cells.

Ontologies

Disease Ontology (DOID) DOID_9206
GWAS Catalogue EFO_0000280
MeSH D001471
SNOMED-CT 196609006
FinnGen K11_BARRET

Key Summary Statistics

Cases from any source

Total 8133
Female (%) 3115 (38%)
Male (%) 5018 (62%)

Year first recorded

barretts year of first event

Cases linked in all UK Biobank sources

Cross-source concordance

Vertical bars correspond to number of cases per source/intersection; horizontal bars to left correspond to total number of cases per source.

Cross-sourced barretts cases

Incidence & prevalence

Sex and age-stratified incidence and prevalence of barretts

Baseline prevalence stratified by sex

Female 37.48 (33.37,41.6)
Male 75.46 (69.11,81.8)

Incidence stratified by sex

Female 6.43 (5.77,7.09)
Male 12.08 (11.09,13.07)

Incidence stratified by age

Ages 40-44 3.32 (2.19,4.46)
Ages 45-49 4.69 (3.53,5.85)
Ages 50-54 6.49 (5.23,7.75)
Ages 55-59 9.26 (7.9,10.63)
Ages 60-64 11.98 (10.64,13.31)
Ages 65-69 12.61 (11.04,14.18)

Period prevalence

Methods

Comparison with general population

Sex-standardised prevalence from CALIBER study (Kuan et al. 2019)

CALIBER and UKB barretts prevalence comparison for multiple age groups

Population Ages 40-49 Ages 50-59 Ages 60-69
UK Biobank 37 (31,44) 83 (76,91) 139 (132,147)
CALIBER 30 (29,31) 68 (66,71) 122 (119,126)

Stratified by age and Townsend deprivation status

Deprivation status Ages 40-49 Ages 50-59 Ages 60-69
Least deprived 20(11,33) 89(73,108) 124(108,140)
Low 26(15,41) 68(54,84) 129(113,146)
Medium 43(29,61) 81(66,98) 141(124,159)
High 37(25,52) 82(67,99) 140(122,159)
Most deprived 52(39,68) 95(79,114) 169(150,191)

Stratified by age and country

Country Ages 40-49 Ages 50-59 Ages 60-69
England 36(30,43) 88(80,96) 145(136,154)
Scotland 48(30,72) 81(63,103) 118(97,140)
Wales 29(12,57) 40(24,62) 114(90,143)

Risk factors analysis

‘Healthy’ BMI, smoking status ‘never’, or no hypertension (absence of hypertension records) were considered as reference values.

Hazard Ratio (HR) values with P < 0.0002 were considered to show significant association with disease onset after correction for multiple-testing using the Bonferroni method

N=154022, Events=131

Factor Level Hazard Ratio P value
BMI overweight 1.27 (0.78, 2.07) 0.333
BMI obese 2.62 (1.63, 4.22) 6.84e-05
BMI underweight 0 (0, Inf) 0.992
smoking previous 1.3 (0.9, 1.9) 0.166
smoking current 1.71 (0.99, 2.95) 0.0544
hypertension yes 1.97 (1.38, 2.82) 0.000171

Risk factors analysis forest plot

Definition

UK Biobank field id Description Code Value
20002 Non-cancer illness code, self-reported 1139 oesophagitis/barretts oesophagus
41202 Diagnoses - main ICD10 K22.7 Barrett’s oesophagus
41204 Diagnoses - secondary ICD10 K22.7 Barrett’s oesophagus
40001 Underlying (primary) cause of death: ICD10 K22.7 Barrett’s oesophagus
40002 Contributory (secondary) causes of death: ICD10 K22.7 Barrett’s oesophagus
42040 GP clinical event records J101611 Barrett’s oesophagus
42040 GP clinical event records J102500 Barrett’s ulcer of oesophagus
42040 GP clinical event records J10y600 Barrett’s oesophagus
42040 GP clinical event records Xa9Bz Barrett’s oesophagus