Pyoderma gangrenosum

L12_PYODERMAGANGRENOSUM

pyoderma gangrenosum: ['An idiopathic, rapidly evolving, and severely debilitating disease occurring most commonly in association with chronic ulcerative colitis. It is characterized by the presence of boggy, purplish ulcers with undermined borders, appearing mostly on the legs. The majority of cases are in people between 40 and 60 years old. Its etiology is unknown.']

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Endpoint definition

Endpoint definition steps

FinnGen

Phenotype data

473681

1. Apply sex-specific rule

None

473681

2. Check conditions

None

473681

3. Check pre-conditions, main-only, mode, registry filters

Registry filters:

  • Hospital discharge: ICD-10 L88
  • Cause of death: ICD-10 L88

2 out of 7 registries used, show all original rules.

212

4. Check minimum number of events

None

212

5. Include endpoints

None

212

6. Filter based on genotype QC (FinnGen only)

202

Control definitions (FinnGen only)

Control exclude L12_OTHERSKINSUBCUTIS

Extra metadata

Level in the ICD hierarchy 3
First used in FinnGen datafreeze DF2
Parent code in ICD-10 L80-L99
Name in latin Pyoderma gangraenosum

Case counts by codes

FinnGen case counts by registry codes:

generic upset plot

Upset plot

Full data table

Summary Statistics

-FinRegistry-

Key figures

All Female Male
Number of individuals
Whole population 1335 828 497
Only index persons 1187 744 443
Unadjusted period prevalence (%)
Whole population 0.02 0.02 0.01
Only index persons 0.02 0.03 0.02
Median age at first event (years)
Whole population 60.40 61.88 57.64
Only index persons 59.26 60.52 57.13

-FinnGen-

Key figures

All Female Male
Number of individuals 202 131 71
Unadjusted period prevalence (%) 0.05 0.05 0.04
Median age at first event (years) 56.31 53.72 61.08

-FinRegistry-

Age distribution of first events

-FinnGen-

Age distribution of first events

-FinRegistry-

Year distribution of first events

-FinnGen-

Year distribution of first events

-FinRegistry-

Cumulative Incidence Function

-FinnGen-

Cumulative Incidence Function

No data

Mortality – FinRegistry

Association

Association between endpoint L12_PYODERMAGANGRENOSUM and mortality.

Females

Parameter HR [95% CI] p-value
L12_PYODERMAGANGRENOSUM 3.197 [2.38, 4.29] < 0.001
Birth year 0.994 [0.99, 1.0] 0.172

During the follow-up period (1.1.1998 — 31.12.2019), 203 out of 666 females with L12_PYODERMAGANGRENOSUM died.

Males

Parameter HR [95% CI] p-value
L12_PYODERMAGANGRENOSUM 2.82 [2.05, 3.89] < 0.001
Birth year 0.988 [0.98, 1.0] 0.012

During the follow-up period (1.1.1998 — 31.12.2019), 142 out of 421 males with L12_PYODERMAGANGRENOSUM died.

Mortality risk

Mortality risk for people of age

years, who have L12_PYODERMAGANGRENOSUM.

N-year risk Females Males
1 0.377% 0.652%
5 1.696% 3.451%
10 4.702% 8.603%
15 8.592% 15.171%
20 15.107% 25.253%

Relationships between endpoints

Index endpoint: L12_PYODERMAGANGRENOSUM – Pyoderma gangrenosum

GWS hits: -

Endpoint
Case Overlap
Survival Analysis
Genetic Correlations
Genetic Signals
N (Jaccard index)
HR [CI]
Extremity
rg [CI]
Extremity
Hits
Coloc Hits
FinRegistry
FinnGen
FinRegistry
FinnGen
FinnGen
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