Table 1.

Demographics of patients entering the 2-year extension

	US patients (n = 52)	European patients (n = 41)	Total (n = 93)
Age, mean 8 SD, years	54.5815.2	51.7813.0	53.2814.3
Sex
Male	36 (69.2%)	28 (68.3%)	64 (68.8%)
Female	16 (30.7%)	13 (31.7%)	29 (31.2%)
Ethnic origin
Black	24 (46.2%)	0	24 (25.8%)
Caucasian	21 (40.4%)	40 (97.6%)	61 (65.6%)
Hispanic	7 (13.5%)	0	7 (7.5%)
Other	0	1 (2.4%)	1 (1.1%)