Referrals of doctors in England over 11 years
| Years ending 31 March | Doctors referred to NCAS | NHS doctors (n) | Referrals per 1000 doctors (95% CI) |
|---|---|---|---|
| 2001–02 | 144 | 102 000 | 1.4 (1.2 to 1.7) |
| 2002–03 | 333 | 106 000 | 3.2 (2.8 to 3.5) |
| 2003–04 | 431 | 111 000 | 3.9 (3.5 to 4.3) |
| 2004–05 | 591 | 118 000 | 5.0 (4.6 to 5.5) |
| 2005–06 | 594 | 123 000 | 4.8 (4.5 to 5.2) |
| 2006–07 | 553 | 125 000 | 4.4 (4.1 to 4.8) |
| 2007–08 | 628 | 127 000 | 4.9 (4.6 to 5.3) |
| 2008–09 | 683 | 132 000 | 5.2 (4.8 to 5.6) |
| 2009–10 | 667 | 139 000 | 4.8 (4.4 to 5.2) |
| 2010–11 | 789 | 141 000 | 5.6 (5.2 to 6.0) |
| 2011–12 | 766 | 143 000 | 5.4 (5.0 to 5.7) |
| 2001–02 to 2011–12 | 6179 | 1 367 000 | 4.5 (4.4 to 4.6) |
| 2004–05 to 2011–12 | 5271 | 1 048 000 | 5.0 (4.9 to 5.2) |