Table 5 Physical component summary and mental component summary of SF-36 and HAQ-DI of the patients according to clinical manifestations (n = 78), median [interquartile range]

Sclerodactyly

24.0 [15.0–54.4]*

33.4 [17.6–61.0]

1.5 [0.7–2.1]

47.2 [36.2–71.2]

48.5 [35.6–55.9]

1.0 [0.4–1.4]

Calcinosis

21.9 [13.7–53.1]*

23.7 [12.7–57.2]**

1.7 [0.7–2.2] *

38.7 [21.3–60.9]

51.8 [32.8–70.3]

1.2 [0.5–1.5]

Incomplete fist closure

21.9 [13.9–39.1]*

32.6 [17.6–58.9]

2.0 [1.5–2.2]**

38.7 [16.2–63.3]

46.4 [20.5–70.3]

0.9 [0.3–1.6]

Raynaud’s Phenomenon

25.0 [15.0–53.1]*

37.0 [18.6–60.6]

1.4 [0.7–2.1] *

65.3 [21.1–73.7]

51.3 [21.0–77.3]

0.6 [0.2–1.6]

Pitting scar

23.7 [15.0–55.6]

33.2 [16.7–60.6]

1.4 [0.7–2.1]

39.4 [18.1–59.1]

45.6 [21.9–60.7]

1.2 [0.3–1.8]

Arthralgia/arthritis

21.9 [12.5–43.1]**

33.2 [17.1–51.7]

1.6 [1.1–2.2] *

39.4 [20.4–64.4]

50.4 [20.3–70.4]

1.1 [0.4–2.1]

Muscle weakness

21.2 [13.3–37.0]**

33.0 [15.8–62.4]

2.0 [1.1–2.2]**

38.7 [21.2–63.3]

47.8 [21.9–60.6]

1.2 [0.4–1.8]

Flexion contracture

17.9 [9.7–23.3]**

28.9 [15.8–60.3]

2.1 [1.5–2.2]**

37.2 [17.6–60.0]

45.5 [20.5–63.1]

1.2 [0.4–2.1]

Gastro-oesophageal reflux

23.1 [15.0–50.6]

44.2 [18.0–61.9]

1.5 [0.7–2.1]

31.2 [21.2–65.0]

39.9 [20.7–60.5]

1.2 [0.4–1.9]

Microstomia

25.0 [15.6–55.6]

44.2 [21.9–60.0]

1.4 [0.6–2.1]

38.1 [11.9–64.4]

32.7 [16.1–70.4]

1.0 [0.3–1.9]

Pulmonary arterial hypertension

21.8 [13.7–42.8]

28.8 [21.6–57.2]

1.4 [0.2–2.1]

27.8 [15.3–60.0]

48.7 [13.7–66.3]

1.2 [0.6–1.9]

Female sex

25.0 [15.0–53.1] *

33.6 [18.0–59.5]

1.5 [0.7–2.1] *