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Table 1 Baseline characteristics of the sample

From: Minimal disease activity (MDA) in patients with recent-onset psoriatic arthritis: predictive model based on machine learning

Variable

 

Age

49.35 (13.53)

Sex

 Male

90 (57%)

 Female

68 (43%)

Educational level

 None

3 (1.9%)

 Primary

58 (36.7%)

 Secondary

66 (41.8%)

 University

31 (19.6%)

BMI

27.63 (5.27)

Smoking

 Never smoked

61 (38.6%)

 Ex-smoker

44 (27.8%)

 Occasional smoker

6 (3.8%)

 Daily smoker

47 (29.7%)

Weekly alcohol consumption

0 (0;4)

Family history of psoriasis

62 (39.2%)

Family history of psoriatic arthritis and other types of inflammatory arthritis

21 (13.3%)

Age-adjusted Charlson comorbidity index

1 (0;2)

Arterial hypertension

39 (24.7%)

Hyperlipidemia

53 (33.5%)

Diabetes mellitus

 Non-insulin-dependent

13 (8.2%)

 Insulin-dependent

3 (1.9%)

Psoriasis

149 (94.3%)

Duration of psoriasis until onset of PsA (years)

10 (2;20)

Clinical form of psoriasis

 Vulgaris

126 (80.3%)

 Guttate

5 (3.2%)

 Localized pustular

10 (6.4%)

 Inverse

7 (4.5%)

Psoriasis specific sites

 Scalp

88 (59.5%)

 Nails

91 (61.5%)

 Palms and soles

13 (8.8%)

 Gluteal cleft and/or perianal region

34 (23.0%)

 Mucous membranes

1 (0.7%)

PASI

1.2 (0.3;3.1)

Systemic treatment of psoriasis

21 (14.3%)

Clinical form of PsA

 Axial

12 (7.6%)

 Peripheral

126 (79.7%)

 Mixed

20 (12.7%)

Joint pattern in PsA

 Oligoarticular

87 (55.1%)

 Polyarticular

47 (29.7%)

 Distal

9 (5.7%)

 Spondylitis

15 (9.5%)

Dactylitis at diagnosis

71 (44.9%)

Enthesitis at diagnosis

43 (27.2%)

Uveitis at diagnosis

1 (0.6%)

Pain in the previous week

5 (3;7)

Patient global assessment of disease

5 (3;7)

PsAID

3.75 (1.65;5.90)

Sacroiliac involvement (BASRI)

0 (0;1)

Hand involvement (modified Steinbrocker)

0 (0;2)