Participation in UKALL2003 by age group an d year of diagnosis (A) All patients
| Year of diagnosis | 15–17 years | 18–19 years | 20–24 years | 15–24 years | ||||||||
| Proportion | Percentage | 95% CI | Proportion | Percentage | 95% CI | Proportion | Percentage | 95% CI | Proportion | Percentage | 95% CI | |
| 2004 | 19/34 | 55.9 | 39.5 to 71.1 | 0/6 | 0.0 | 0.0 to 39.0 | 0/25 | 0.0 | 0 to 13.3 | 19/65 | 29.2 | 19.6 to 41.2 |
| 2005 | 26/45 | 57.8 | 43.3 to 71.0 | 0/20 | 0.0 | 0 to 16.1 | 0/23 | 0.0 | 0 to 14.3 | 26/88 | 29.5 | 21.0 to 39.8 |
| 2006 | 18/29 | 62.1 | 44.0 to 77.3 | 9/26 | 34.6 | 19.4 to 53.8 | 0/19 | 0.0 | 0 to 29.9 | 27/74 | 36.5 | 26.4 to 47.9 |
| 2007 | 20/32 | 62.5 | 45.3 to 77.1 | 8/14 | 57.1 | 32.6 to 78.6 | 4/32 | 12.5 | 5.0 to 28.1 | 32/78 | 41.0 | 30.8 to 52.1 |
| 2008 | 23/30 | 76.7 | 59.1 to 88.2 | 16/18 | 88.9 | 67.2 to 96.9 | 8/23 | 34.8 | 18.8 to 55.1 | 47/71 | 66.2 | 54.6 to 76.1 |
| 2009 | 24/31 | 77.4 | 60.2 to 88.6 | 13/20 | 65.0 | 43.3 to 81.9 | 10/26 | 38.5 | 22.4 to 57.5 | 47/77 | 61.0 | 49.9 to 71.2 |
| 2010 | 19/25 | 76.0 | 56.6 to 88.5 | 8/11 | 72.7 | 43.4 to 90.3 | 14/22 | 63.6 | 43.0 to 80.3 | 41/58 | 70.7 | 58.0 to 80.8 |
| 2004–2007 | 83/140 | 59.3 | 51.0 to 67.1 | 17/66 | 25.8 | 16.7 to 37.4 | 4/99 | 4.0 | 1.6 to 9.9 | 104/305 | 34.1 | 29.0 to 39.6 |
| 2008–2010 | 66/86 | 76.7 | 66.8 to 84.4 | 37/49 | 75.5 | 61.9 to 85.4 | 32/71 | 45.1 | 34.0 to 56.6 | 135/206 | 45.1 | 34.0 to 56.6 |
| 2004–2010 | 149/226 | 65.9 | 59.5 to 71.8 | 54/115 | 47.0 | 38.1 to 56.0 | 36/170 | 21.2 | 15.7 to 27.9 | 239/511 | 46.8 | 42.5 to 51.1 |