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Table 2 Demographic and clinical characteristics of study subjects

From: A semiquantitative color Doppler ultrasound scoring system for evaluation of synovitis in joints of patients with blood-induced arthropathy

Study site

N

Age (range, median)

Ankles Imaged

Elbows imaged

Knees imaged

Hemophilia type

Baseline FVIII/IX Level* (%)

Pettersson score

HJHS score (range, median)

1

22

7–17, 13

8

7

7

A:N = 17

0:N = 13;

Score 0:N = 1

7–15, 9

       

1: N = 4

Scores 1–3:N = 8

 
        

Scores 4–7:N = 5

 
      

B:N = 5

0:N = 4

Scores ≥ 8:N = 8

 
       

1:N = 1

  

2

12

8–18, 11.5

4

4

4

A:N = 12

0:N = 5

Score 0:N = 0

3–16, 11.5

       

1:N = 7

Scores 1–3:N = 4

 
        

Scores 4–7:N = 4

 
        

Scores ≥ 8:N = 4

 

3

29

5–17, 13

21

0

8

A:N = 23

0:N = 20

Score 0:N = 14

0–16, 4.5

       

1:N = 3

Scores 1–3:N = 4

 
      

B:N = 3

0:N = 2

Scores 4–7:N = 5

 
       

1:N = 1

Scores ≥ 8:N = 6

 
      

vWD type 3:N = 3**

   
  1. N, number; FVIII/IX, factors VIII/IX; IU, International Unit; dL, deciliter; HJHS, Hemophilia Joint Health Score
  2. *Baseline FVIII/IX level: 0: < 1 IU/dL (= < 1%, consistent with a diagnosis of severe hemophilia) 1: 1-5 IU/dL ( = 1-5%, consistent with a diagnosis of moderate hemophilia)
  3. **Three patients had vWD