Metadata

Name Polymyalgia Rheumatica (PMR)
Category Musculoskeletal
Sex
Adult Yes
UUID d3f6966f-5089-45e6-9e25-8cd988d45ced
Definition Polymyalgia rheumatica is a common inflammatory condition that often affects people over the age of 50 years. Characteristic symptoms are shoulder and hip girdle pain and prolonged morning stiffness. Markers of inflammation are often elevated.

Ontologies

Disease Ontology (DOID) DOID_853
GWAS Catalogue EFO_0008518
MeSH D011111
SNOMED-CT 65323003
FinnGen M13_POLYMYALGIA

Key Summary Statistics

Cases from any source

Total 5458
Female (%) 3553 (65%)
Male (%) 1905 (35%)

Year first recorded

PMR 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 PMR cases

Incidence & prevalence

Sex and age-stratified incidence and prevalence of PMR

Baseline prevalence stratified by sex

Female 47.62 (42.99,52.26)
Male 23.8 (20.23,27.37)

Incidence stratified by sex

Female 9.68 (8.87,10.49)
Male 7.35 (6.58,8.12)

Incidence stratified by age

Ages 40-44 0.7 (0.18,1.22)
Ages 45-49 1.71 (1.01,2.4)
Ages 50-54 4.7 (3.63,5.77)
Ages 55-59 6.73 (5.57,7.89)
Ages 60-64 10.91 (9.64,12.18)
Ages 65-69 19.35 (17.4,21.29)

Period prevalence

Methods

Comparison with general population

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

CALIBER and UKB PMR prevalence comparison for multiple age groups

Population Ages 40-49 Ages 50-59 Ages 60-69
UK Biobank 7 (5,10) 37 (33,42) 129 (121,136)
CALIBER 9 (8,9) 40 (39,42) 142 (138,146)

Stratified by age and Townsend deprivation status

Deprivation status Ages 40-49 Ages 50-59 Ages 60-69
Least deprived 9(4,19) 41(31,53) 133(118,151)
Low 7(2,15) 39(29,51) 129(114,146)
Medium 3(0,10) 39(29,52) 140(124,158)
High 7(3,15) 34(25,46) 126(110,144)
Most deprived 8(4,16) 32(23,42) 111(95,128)

Stratified by age and country

Country Ages 40-49 Ages 50-59 Ages 60-69
England 6(4,9) 37(32,42) 127(119,135)
Scotland 7(2,19) 34(23,48) 109(91,131)
Wales 16(5,37) 43(28,64) 181(151,216)

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=153501, Events=895

Factor Level Hazard Ratio P value
BMI overweight 1.04 (0.89, 1.23) 0.59
BMI obese 1.28 (1.08, 1.52) 0.00502
BMI underweight 0 (0, Inf) 0.978
smoking previous 1.02 (0.89, 1.18) 0.766
smoking current 0.96 (0.75, 1.23) 0.754
hypertension yes 1.16 (1.01, 1.33) 0.0425

Definition

UK Biobank field id Description Code Value
20002 Non-cancer illness code, self-reported 1377 polymyalgia rheumatica
41202 Diagnoses - main ICD10 M31.5 Giant cell arteritis with polymyalgia rheumatica
41202 Diagnoses - main ICD10 M35.3 Polymyalgia rheumatica
41204 Diagnoses - secondary ICD10 M31.5 Giant cell arteritis with polymyalgia rheumatica
41204 Diagnoses - secondary ICD10 M35.3 Polymyalgia rheumatica
40001 Underlying (primary) cause of death: ICD10 M31.5 Giant cell arteritis with polymyalgia rheumatica
40001 Underlying (primary) cause of death: ICD10 M35.3 Polymyalgia rheumatica
40002 Contributory (secondary) causes of death: ICD10 M31.5 Giant cell arteritis with polymyalgia rheumatica
40002 Contributory (secondary) causes of death: ICD10 M35.3 Polymyalgia rheumatica
42040 GP clinical event records N200.00 Giant cell arteritis with polymyalgia rheumatica
42040 GP clinical event records N20..00 Polymyalgia rheumatica
42040 GP clinical event records N20..11 Polymyalgia
42040 GP clinical event records XE1FJ Polymyalgia rheumatica
42040 GP clinical event records XE1FJ Polymyalgia rheumatica
42040 GP clinical event records X705l Giant cell arteritis with polymyalgia rheumatica