Table 4 Comparison between diffuse type and limited type regarding the functional disability via SHAQ for studied patients (n = 56)

HAQ-DI

1.88 (0.5–2.63)

1.63 (0.75–2.63)

0.959

0.338

 • Dressing and grooming

1 (0–3)

1 (0–3)

1.458

0.145

 • Arising

1 (0–3)

1 (0–2)

1.205

0.228

 • Eating

2 (1–3)

2 (1–3)

0.574

0.566

 • Walking

1 (0–3)

1 (0–2)

0.927

0.354

 • Hygiene

2 (0–3)

2 (0–3)

1.512

0.130

 • Reach

2 (0–3)

1 (0–3)

1.681

.093

 • Grip

2 (0–3)

2 (0–3)

1.245

0.213

 • Activities

2 (0–3)

2 (0–3)

0.384

0.701

SHAQ VAS

1.06 (0.09–2.38)

0.53 (0.15–1.98)

1.546

0.122

 • Pain VAS

1.64 (0.3–2.84)

1.56 (0.36–2.54)

0.494

0.621

 • Digestive VAS

1.58 (0–3)

0 (0–2.38)

3.357

.001*

 • Pulmonary VAS

0.9 (0–3)

0.0 (0–2.4)

1.898

.058

 • Reynaud’s VAS

0.5 (0–3)

0.44 (0–2.48)

0.848

0.397

 • Digital ulcer VAS

0 (0–3)

0.54 (0–2.5)

1.157

0.247

SHAQ global

1.5 (0.34–2.15)

1.06 (0.65–2.25)

1.613

0.107