Table 1.

Characteristics of people with haemophilia enrolled in the study

	Total		Haemophilia A		Haemophilia B
	n	%	n	%	n	%
Total Enrolled	1163		950	81.7%	213	18.3%
Severity
Mild	250	21.5%	199	20.9%	51	23.9%
Moderate	233	20.0%	146	15.4%	87	40.9%
Severe	680	58.5%	605	63.7%	75	35.2%
Age at Enrollment
<2 years	52	4.5%	49	5.1%	3	1.4%
2–9 years	361	31.1%	298	31.4%	63	29.6%
10–19 years	301	25.9%	242	25.5%	59	27.7%
20–29 years	183	15.7%	151	15.9%	32	15.0%
30–45 years	133	11.4%	113	11.9%	20	9.4%
>45 years	133	11.4%	97	10.2%	36	16.9%
Sex
Male	1161	99.8%	948	99.8%	213	100.0%
Female	2	0.2%	2	0.2%	0	0.0%
Race
White	946	81.3%	767	80.7%	179	84.0%
Black	86	7.4%	69	7.3%	17	8.0%
Hispanic	74	6.4%	67	7.0%	7	3.3%
Asian	21	1.8%	17	1.8%	4	1.9%
Other	36	3.1%	30	3.2%	6	2.8%
Prior Exposure Days
0	37	3.2%	32	3.4%	5	2.3%
1–20	232	19.9%	162	17.1%	70	32.9%
21–100	158	13.6%	119	12.5%	39	18.3%
101–150	75	6.4%	63	6.6%	12	5.6%
>150	659	56.7%	572	60.2%	87	40.9%

Proportions do not all sum to 100% due to missing data