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Thalassaemia

D3_THALASSAEMIA

Thalassemia: An inherited blood disorder characterized by a decreased synthesis of one of the polypeptide chains that form hemoglobin. Anemia results from this abnormal hemoglobin formation.

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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 D56
  • Cause of death: ICD-10 D56

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

-

4. Check minimum number of events

None

-

5. Include endpoints

123

6. Filter based on genotype QC (FinnGen only)

48

Control definitions (FinnGen only)

Control exclude D3_HAEMOLYTICANAEMIA

Extra metadata

Level in the ICD hierarchy 3
First used in FinnGen datafreeze DF2
Parent code in ICD-10 D55-D59
Name in latin Thalassaemia

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 2202 1071 915
Only index persons 1582 880 702
Unadjusted period prevalence (%)
Whole population 0.05 0.03 0.03
Only index persons 0.03 0.03 0.03
Median age at first event (years)
Whole population 22.71 25.67 17.00
Only index persons 28.37 29.61 26.82

-FinnGen-

Key figures

All Female Male
Number of individuals 48 25 23
Unadjusted period prevalence (%) 0.01 0.01 0.01
Median age at first event (years) 50.94 52.29 49.48

-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

Not a core endpoint, no data to show.

Mortality – FinRegistry

Association

Association between endpoint D3_THALASSAEMIA and mortality.

Females

Parameter HR [95% CI] p-value
D3_THALASSAEMIA 1.665 [1.07, 2.6] 0.025
Birth year 0.996 [0.99, 1.0] 0.362

During the follow-up period (1.1.1998 — 31.12.2019), 55 out of 893 females with D3_THALASSAEMIA died.

Males

Parameter HR [95% CI] p-value
D3_THALASSAEMIA 1.673 [1.12, 2.49] 0.011
Birth year 0.989 [0.98, 1.0] 0.034

During the follow-up period (1.1.1998 — 31.12.2019), 56 out of 775 males with D3_THALASSAEMIA died.

Mortality risk

Mortality risk for people of age

years, who have D3_THALASSAEMIA.

N-year risk Females Males
1 0.131% 0.315%
5 0.927% 2.064%
10 2.551% 5.115%
15 4.743% 9.437%
20 8.614% 16.314%

Relationships between endpoints

Index endpoint: D3_THALASSAEMIA – Thalassaemia

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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