| |
HH-WA
|
HH-A
|
HOA
|
|---|
|
Erosion score
|
|
MCP
|
0 (0–5)
|
0 (0–7)
|
0 (0–7)
|
|
PIP
|
0 (0–1)
|
0 (0–2)
|
0 (0–4)
|
|
DIP
|
0
|
0
|
0 (0–4)
|
|
Osteophyte score
|
|
MCP
|
4.5 (0–25)
|
12.5 (0–30)** ¥¥
|
5 (0–18)
|
|
PIP
|
5 (0–16) ¥¥¥
|
10 (0–28)¥
|
14 (2–30)
|
|
DIP
|
7.5 (0–13) ¥¥¥
|
8 (1–17)¥¥¥
|
16 (2–24)
|
|
Hip
|
2 (0–5) ¥¥¥
|
1 (0–6)¥¥¥
|
0 (0–4)
|
|
Knee
|
1.5 (0–5)
|
2 (0–6)
|
1 (0–6)
|
|
Grey scale synovitis score
|
|
MCP
|
2 (0–12) ¥¥
|
3 (0–13)¥¥¥
|
1 (0–5)
|
|
PIP
|
1 (0–12) ¥¥
|
1.5 (0–12)
|
4 (0–16)
|
|
DIP
|
0 (0–5) ¥¥¥
|
1 (0–6)¥¥¥
|
5 (0–14)
|
|
Wrist
|
1 (0–4)
|
2 (0–4)* ¥¥
|
0 (0–4)
|
|
Hip
|
0 (0–1)
|
0 (0–2)
|
0 (0–1)
|
|
Knee
|
0 (0–2)
|
0 (0–5)
|
0 (0–2)
|
|
Ankle
|
0 (0–3)
|
0 (0–2)
|
0 (0–1)
|
|
Power Doppler synovitis score
|
|
MCP
|
0 (0–5)
|
1.5 (0–11)** ¥¥¥
|
0 (0–2)
|
|
PIP
|
0 (0–3)
|
0 (0–6)
|
0 (0–9)
|
|
DIP
|
0 (0–2)
|
0 (0–1)
|
0 (0–5)
|
|
Wrist
|
0 (0–2)
|
1 (0–5)
|
0 (0–4)
|
|
Hip
|
0 (0–1)
|
0
|
0
|
|
Knee
|
0 (0–1)
|
0 (0–4)
|
0 (0–1)
|
|
Ankle
|
0 (0–2)
|
0 (0–3)
|
0
|
|
Grey scale tenosynovitis score
|
|
MCP
|
0 (0–2)
|
0 (0–1)
|
0 (0–3)
|
|
PIP
|
0 (0–5)
|
0 (0–4)
|
0 (0–1)
|
|
DIP
|
0
|
0
|
0 (0–1)
|
|
Wrist
|
0 (0–2)
|
0 (0–1)
|
0 (0–1)
|
|
Ankle
|
0
|
0
|
0
|
|
Power Doppler tenosynovitis score
|
|
MCP
|
0
|
0
|
0 (0–3)
|
|
PIP
|
0
|
0 (0–3)
|
0 (0–3)
|
|
DIP
|
0
|
0
|
0
|
|
Wrist
|
0
|
0
|
0 (0–2)
|
|
Ankle
|
0
|
0
|
0
|
- Data indicate the median ultrasound score (range)
-
HH-A hereditary haemochromatosis with arthropathy, HH-WA hereditary haemochromatosis without arthropathy, HOA hand osteoarthritis, MCP metacarpophalangeal joints, PIP proximal interphalangeal joints, DIP distal interphalangeal joints
- *p < 0.05 and **p ≤ 0.01 compared to HH-WA, ¥
p < 0.05, ¥¥
p ≤ 0.01 and ¥¥¥
p ≤ 0.001 compared to HOA; p values are not adjusted for multiple testing
