Severity of HA	Mild (n = 10)	Moderate (n = 19)	Severe (n = 31)	TOTAL (n = 60)
Receiving factor replacement therapy, n (%)	3 (30%)	5 (26%)	31 (100%)	39 (65%)
Primary on‐demand	3 (100%)	3 (60%)	8 (26%)	14 (36%)
Primary prophylaxis	0 (0%)	0 (0%)	2 (6%)	2 (5%)
Secondary on‐demand	0 (0%)	2 (20%)	7 (23%)	9 (23%)
Secondary prophylaxis	0 (0%)	0 (0%)	14 (45%)	14 (36%)
Annualised bleed rate, mean ± SD	1.40 ± 0.97	1.06 ± 0.94	2.94 ± 2.35	2.10 ± 2.01
Target joints, mean ± SD	0.10 ± 0.32	0.11 ± 0.46	0.68 ± 1.05	0.40 ± 0.85
Problem joints, mean ± SD	0.10 ± 0.32	0.00 ± 0.00	0.19 ± 0.48	0.12 ± 0.37
EQ‐5D‐5L, n; mean ± SD	3; 0.98 ± 0.02	8; 0.96 ± 0.04	22; 0.96 ± 0.06	33; 0.96 ± 0.05