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Table 1 Demographic data

From: Sleep quality and clinical association with sleep disturbance in systemic sclerosis

Variable

Total

n = 88

Female (%)

57 (64.8)

Age (years); mean ± SD

61.3 ± 9.9

Age at onset (years); mean ± SD

52.6 ± 11.9

Disease duration (year); median (IQR)

7.4 (3.6–11.1)

BMI (kg/m2); mean ± SD

21.1 ± 4.1

SSc subsets

 lcSSc (%)

32 (36.4)

 dcSSc (%)

56 (63.6)

mRSS (points); median (IQR)

2 (0–8)

Vasculopathy

 Active Raynaud’s phenomenon (%)

25 (28.4)

 Active digital ulcer (%)

8 (9.0)

 Digital gangrene (%)

1 (1.1)

 Telangiectasia (%)

36 (40.9)

Musculoskeletal symptoms

 Tendon rub (%)

4 (4.6)

 Hand deformity (%)

34 (38.6)

 Synovitis (%)

9 (10.23)

Gastrointestinal symptoms

 Esophageal involvement (%)

39 (44.3)

 Dysphagia

11

 Heartburn

11

 Both dysphagia and heartburn

17

 Stomach involvement* (%)

16 (18.2)

 Intestinal involvement (%)

15 (17.1)

Pulmonary symptoms

 Cough (%)

22 (25.0)

 Chest pain (%)

1 (1.1)

 ILD (%)

52 (59.1)

Renal crisis (%)

1 (1.1)

Pulmonary hypertension (%)

11 (12.5)

Pain

 Joint pain (%)

25 (28.4)

 Muscle pain (%)

16 (18.2)

 Generalize pain (%)

4 (4.6)

 Low back pain (%)

17 (19.3)

 Tooth pain (%)

5 (5.7)

 Headache (%)

7 (7.9)

Depressive disorder (%)

11 (12.5)

Neck circumference (cm); mean ± SD

32.8 ± 2.7

Mallampati classification

 I (%)

19 (21.6)

 II (%)

11 (12.5)

 III (%)

25 (28.4)

 IV (%)

33 (37.5)

  1. IQR interquartile range, lcSSc limited cutaneous systemic sclerosis, dcSSc diffuse cutaneous systemic sclerosis, ILD Interstitial lung disease, mRSS modified Rodnan skin score
  2. *all dyspepsia