Erythema nodosum

L12_ERYTHEMANODOSUM

erythema infectiosum: usually a benign childhood condition characterized by a classic slapped-cheek appearance (see the image below) and lacy exanthem.It results from infection with human parvovirus (PV) B19, an erythrovirus.

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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 L52
  • Hospital discharge: ICD-9 6952
  • Hospital discharge: ICD-8 69520
  • Cause of death: ICD-10 L52
  • Cause of death: ICD-9 6952
  • Cause of death: ICD-8 69520

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

1018

4. Check minimum number of events

None

1018

5. Include endpoints

None

1018

6. Filter based on genotype QC (FinnGen only)

982

Control definitions (FinnGen only)

Control exclude L12_URTICARIAERYTHEMA

Extra metadata

Level in the ICD hierarchy 3
First used in FinnGen datafreeze DF2
Parent code in ICD-10 L50-L54
Name in latin Erythema nodosum

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 9004 6843 2116
Only index persons 7799 5941 1858
Unadjusted period prevalence (%)
Whole population 0.16 0.20 0.06
Only index persons 0.18 0.22 0.07
Median age at first event (years)
Whole population 40.55 41.91 36.01
Only index persons 37.81 38.86 34.46

-FinnGen-

Key figures

All Female Male
Number of individuals 982 776 206
Unadjusted period prevalence (%) 0.26 0.30 0.10
Median age at first event (years) 38.65 38.10 40.73

-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_ERYTHEMANODOSUM and mortality.

Females

Parameter HR [95% CI] p-value
L12_ERYTHEMANODOSUM 1.225 [1.06, 1.41] 0.005
Birth year 0.99 [0.98, 1.0] 0.027

During the follow-up period (1.1.1998 — 31.12.2019), 380 out of 3301 females with L12_ERYTHEMANODOSUM died.

Males

Parameter HR [95% CI] p-value
L12_ERYTHEMANODOSUM 1.581 [1.26, 1.98] < 0.001
Birth year 0.984 [0.97, 1.0] 0.01

During the follow-up period (1.1.1998 — 31.12.2019), 148 out of 1122 males with L12_ERYTHEMANODOSUM died.

Mortality risk

Mortality risk for people of age

years, who have L12_ERYTHEMANODOSUM.

N-year risk Females Males
1 0.106% 0.252%
5 0.531% 1.652%
10 1.452% 4.087%
15 2.738% 7.634%
20 5.092% 12.892%

Relationships between endpoints

Index endpoint: L12_ERYTHEMANODOSUM – Erythema nodosum

GWS hits: 2

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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