Other and unspecified parapsoriasis

L12_PARAPSO_RETIFORM

parapsoriasis: one of a group of skin disorders that are characterized primarily by their resemblance to psoriasis (red, scaly lesions), rather than by their underlying etiology. Neoplasms can develop from parapsoriasis. For example, it can develop into cutaneous T-cell lymphoma.

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Endpoint definition

Endpoint definition steps

FinnGen

Phenotype data

520210

1. Apply sex-specific rule

None

520210

2. Check conditions

None

520210

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

Registry filters:

  • Hospital discharge: ICD-10 L41.8, L41.9
  • Hospital discharge: ICD-9 6962D
  • Hospital discharge: ICD-8 6962
  • Cause of death: ICD-10 L41.8, L41.9
  • Cause of death: ICD-9 6962D
  • Cause of death: ICD-8 6962

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

159

4. Check minimum number of events

None

159

5. Include endpoints

None

159

6. Filter based on genotype QC (FinnGen only)

159

Control definitions (FinnGen only)

Control exclude
L12_PAPULOSQUAMOUS

Extra metadata

Level in the ICD hierarchy
4
First used in FinnGen datafreeze
DF2

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 1163 429 723
Only index persons 1003 377 626
Unadjusted period prevalence (%)
Whole population 0.02 0.01 0.02
Only index persons 0.02 0.01 0.02
Median age at first event (years)
Whole population 58.23 55.63 59.80
Only index persons 58.11 55.18 59.87

-FinnGen-

Key figures

All Female Male
Number of individuals 159 63 96
Unadjusted period prevalence (%) 0.03 0.02 0.04
Median age at first event (years) 56.27 56.68 55.99

-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

CodeWAS (R11)

CodeWAS is a tool for exploring the associations between an endpoint and all of the medical codes and drug codes.

This is a new tool, please reach out using the contact form for feedback and improvement ideas.

First, a cohort is built by matching controls to the endpoint cases using year of birth and sex. Then, a Fisher test is done for all the medical codes and drug codes between the cases and controls of this cohort. Codes are reported in the table below if they have −log10(p-value) ≥ 6.

Matched cohort

Matched cases
141
Matched controls
1411
Code
Vocabulary
Description
Odds Ratio
-log10(p)
N matched cases
N matched controls
L41.9
ICD-10 Finland
Parapsoriasis, unspecified
+∞
93.4
79
*
L41.8
ICD-10 Finland
Other parapsoriasis
+∞
59.7
53
*
TQX10
NOMESCO Finland
Biopsy of skin and subcutaneous tissue
27.8
51.7
75
55
E0000UV
ATC
NA
9.7
33.5
103
307
D07AB08
ATC
desonide; topical
13.8
29.8
55
62
L30.9
ICD-10 Finland
Dermatitis, unspecified
9.4
28.3
69
130
D07AC01
ATC
betamethasone; topical
7.8
28.1
95
295
L40.0
ICD-10 Finland
Psoriasis vulgaris
286.5
24.4
24
*
E000001
ATC
NA
6.9
21.8
66
160
C84.0
ICD-10 Finland
Mycosis fungoides
+∞
21.4
20
*
L41.3
ICD-10 Finland
Small plaque parapsoriasis
+∞
21.4
20
*
E000002
ATC
NA
9.4
18.3
40
57
D07AC13
ATC
mometasone; topical
4.5
15.1
69
245
69621
ICD-8 Finland
Psoriasis and similar disorders, Parapsoriasis guttata
+∞
12.7
12
*
D07AB02
ATC
hydrocortisone butyrate; topical
4.0
12.0
60
221
D07AA02
ATC
hydrocortisone; topical
5.5
11.3
35
79
D02AX
ATC
Other emollients and protectives
23.7
10.9
15
7
D01AC20
ATC
imidazoles/triazoles in combination with corticosteroids; topical
3.7
10.2
52
190
D07AD01
ATC
clobetasol; topical
4.3
9.6
38
111
L41.4
ICD-10 Finland
Large plaque parapsoriasis
+∞
9.5
9
*
WXQ27
NOMESCO Finland
UVB narrow spectrum light therapy
26.0
9.1
12
5
E000003
ATC
NA
11.9
9.1
16
15
D05AX52
ATC
calcipotriol, combinations; topical
10.3
8.0
15
16
D07AC14
ATC
methylprednisolone aceponate; topical
8.7
7.3
15
19
D05BB02
ATC
acitretin; oral
21.3
7.2
10
5
E000007
ATC
NA
8.2
7.1
15
20
D02AE01
ATC
carbamide; topical
5.5
7.0
20
41
R21
ICD-10 Finland
Rash and other nonspecific skin eruption
8.8
6.5
13
16
L41.1
ICD-10 Finland
Pityriasis lichenoides chronica
+∞
6.3
6
*
9700/3-C44.5
ICD-O-3
Mycosis fungoides of skin of trunk
+∞
6.3
6
*
Z2221
NOMESCO Finland
Medical doctor
2.7
6.2
52
252
D05AX02
ATC
calcipotriol; topical
9.2
6.2
12
14

Mortality – FinRegistry

Association

Association between endpoint L12_PARAPSO_RETIFORM and mortality.

Females

Parameter HR [95% CI] p-value
L12_PARAPSO_RETIFORM 1.069 [0.8, 1.43] 0.653
Birth year 0.993 [0.98, 1.0] 0.156

During the follow-up period (1.1.1998 — 31.12.2019), 59 out of 274 females with L12_PARAPSO_RETIFORM died.

Males

Parameter HR [95% CI] p-value
L12_PARAPSO_RETIFORM 0.92 [0.76, 1.11] 0.388
Birth year 0.985 [0.98, 0.99] 0.003

During the follow-up period (1.1.1998 — 31.12.2019), 139 out of 529 males with L12_PARAPSO_RETIFORM died.

Mortality risk

Mortality risk for people of age

years, who have L12_PARAPSO_RETIFORM.

N-year risk Females Males
1 0.084% 0.16%
5 0.627% 0.949%
10 1.432% 2.37%
15 2.799% 4.725%
20 5.179% 8.278%

Relationships between endpoints

Index endpoint: L12_PARAPSO_RETIFORM – Other and unspecified parapsoriasis

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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