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. 2018 Feb 14;2(1):e54–e67. doi: 10.1055/s-0038-1624568

Table 3. Clinical characteristics of survey respondents.

Adults
≥ 18 y
N  = 106
Children/Teenagers
10–17 y
N  = 21
Children (proxy version)
6–9 y
N  = 11
1–5 y
N  = 8
Type of hemophilia
 Hemophilia A 89 (84.0%) 19 (90.5%) 10 (90.9%) 8 (100%)
 Hemophilia B 17 (16.0%) 2 (9.5%) 1 (9.1%) 0
Hemophilia severity
 Mild 13 (12.3%) 4 (19.0%) 0 1 (12.5%)
 Moderate 33 (31.1%) 2 (9.5%) 3 (27.3%) 2 (25.0%)
 Severe 60 (56.6%) 15 (71.4%) 8 (72.7%) 5 (62.5%)
Inhibitors
 Yes 14 (13.2%) 1 (4.8%) 3 (27.3%) 2 (25.0%)
 Does not know 27 (25.5%) 1 (4.8%) 1 (9.1%) 2 (25.0%)
Age at the time of diagnosis
 During pregnancy/at birth 12 (11.3%) 3 (14.3%) 4 (36.4%) 5 (62.5%)
 First year of life 40 (37.7%) 11 (52.4%) 5 (45.5%) 3 (37.5%)
 1–5 y 21 (19.8%) 7 (33.3%) 2 (18.2%) 0
 6–10 y 10 (9.4%) 0 0
 ≥ 11 y 13 (12.3%) 0 0
 Does not know 13 (12.3%) 0 0 0
Prophylaxis treatment 35 (33.0%) 16 (76.2%) 9 (81.8%) 4 (50.0%)
Type of factor concentrate
 Plasma-derived 42 (39.6%) 5 (23.8%) 0 0
 Recombinant 33 (31.1%) 11 (52.4%) 10 (90.9%) 6 (75.0%)
 Bypassing agent 6 (5.7%) 1 (4.8%) 1 (9.1%) 1 (12.5%)
 Does not know 14 (13.2%) 2 (9.5%) 0 0
Urgent hospital visits due to hemophilia a : yes 51 (48.1%) 13 (61.9%) 9 (81.8%) 4 (50.0%)
 Number of visits 4.73 (4.44)
Md = 3
range: 1–16
3.31 (2.14)
Md = 2 range: 1–7
3.89 (3.26)
Md = 2 range: 1–10
5.25 (3.76)
Md = 5
range: 1–10
Hospitalization due to hemophilia a : yes 12 (11.3%) 4 (19.0%) 2 (18.2%) 2 (25.0%)
 Number of days 12.58 (11.73)
Md = 7.5
range: 4–39
5.67 (3.22)
Md = 7
range: 2–8
1.5 (0.71) Md = 1.5 range: 1–2 5.0 (2.83)
Md = 5
range: 3–7
Bleeding episodes a : yes 71 (67.0%) 15 (71.4%) 6 (54.5%) 4 (50.0%)
 Number of bleeding episodes 14.94 (16.90)
Md = 9
range: 1–84
4.53 (3.36) Md = 3
range: 1–12
5.0 (2.53) Md = 4.5 range: 2–8 6.0 (4.69) Md = 6.5 range: 1–10
Joint deterioration: yes 90 (84.9%) 12 (57.1%) 5 (45.5%) 2 (25.0%)
 Number of affected joints 4.16 (2.55)
Md = 4
range: 1–10
1.67 (1.16)
Md = 1
range: 1–4
1.00 (1.00)
Md = 1 range: 1–1
1.50 (0.71)
Md = 1.5 range: 1–2
Most affected joint b : yes 72 (67.9%) 8 (38.1%) 3 (27.3%) 0
 Knee 37 (51.4%) 1 (4.8%) 0 0
 Ankle 29 (40.3%) 3 (14.3%) 2 (18.2%) 0
 Elbow 14 (19.4%) 4 (19.0%) 1 (9.1) 0
 Hip 6 (8.3%) 0 0 0
 Shoulder 3 (4.17%) 0 0 0
Comorbidities
 HIV 14 (13.5%)
 Hepatitis C 25 (24.0%)
Pain due to hemophilia
 In the previous year 82 (77.4%) 16 (76.2%) 9 (81.8%) 4 (50.0%)
 Lasting over 3 months 65 (61.3%) 13 (61.9%) 6 (54.5%) 2 (25.0%)
 More than once a week 43 (40.6%) 2 (9.5%) 1 (9.1%) 0
Pain with more impact N = 82 N = 16 N = 9 N = 4
 Ankle 31 (37.8%) 7 (43.9%) 5 (55.5%) 1 (25.0%)
 Knee 30 (36.30%) 2 (12.5%) 3 (33.3%) 0
 Elbow 8 (97%) 3 (18.8%) 1 (11.1%) 1 (25.0%)
 Shoulder 5 (6.1%) 0 0 0
 Hip 5 (6.1%) 0 0 0
 Others 3 (3.6%) 4 (25.1%) 0 2 (50.0%)
Pain duration c (months) 137.70 (136.46)
Md = 96
range: 1–612
28.67 (38.03)
Md = 6
range: 1–108
18.00 (22.03)
Md = 8.5
range: 1–60
4.50 (0.71)
Md = 4.50
range: 4–5
Pain frequency c
 Always present (a) 12 (14.6%) 0 0 0
 Daily (b) 15 (18.3%) 0 0 0
 Weekly (c) 12 (14.6%) 1 (6.3%) 0 0
 Only during movement (d) 21 (25.6%) 4 (25.0%) 4 (44.4%) 0
 Bleeding episodes only (e) 9 (11.0%) 6 (37.5%) 4 (44.4%) 4 (100%)
 (c) + (d) 2 (2.4%) 0 0 0
 (c) + (d) + (e) 3 (3.7%) 0 0 0
 (d) + (e) 8 (9.8%) 5 (31.3%) 1 (11.1%) 0

Notes: Continuous variables are presented as mean (SD), median (Md), and range. Categorical variables are presented as n (%).

a

Data reporting to the previous year.

b

More than one response option is possible.

c

Concerning the pain with more impact.