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Distribution of Subjects by Study Year Across Overall Cohort and Treatment Groups
| Year | Overall Cohort, n (%) | PTC RBC Group, n (%) | No PTC RBC Group, n (%) |
|---|---|---|---|
| 2003 | 28 (2) | 0 (0) | 28 (2) |
| 2004 | 343 (24) | 6 (12) | 337 (25) |
| 2005 | 228 (16) | 13 (26) | 215 (16) |
| 2006 | 158 (11) | 5 (10) | 153 (11) |
| 2007 | 222 (16) | 8 (16) | 214 (16) |
| 2008 | 228 (16) | 8 (16) | 220 (16) |
| 2009 | 145 (10) | 8 (16) | 137 (10) |
| 2010 | 63 (5) | 2 (4) | 61 (4) |
| Total | 1415 (100) | 50 (100) | 1365 (100) |
