The minimum annual incidence of 22q11 deletion in the Western Götaland Region and the city of Gothenburg during the 10 year period 1991–2000
| Western Götaland Region | City of Göteborg | |||||
|---|---|---|---|---|---|---|
| Year | No of cases | No of births | Annual incidence per 100 000 newborns | No of cases | No of births | Annual incidence per 100 000 newborns |
| 1991 | 4 | 21 162 | 18.9 | 0 | 6220 | 0 |
| 1992 | 5 | 21 119 | 23.7 | 2 | 6104 | 32.7 |
| 1993 | 4 | 20 202 | 19.8 | 1 | 6035 | 16.6 |
| 1994 | 4 | 19 336 | 20.7 | 3 | 6044 | 49.6 |
| 1995 | 1 | 17 528 | 5.7 | 1 | 5549 | 18.0 |
| 1991–95 | 18.1 | 23.4 | ||||
| 1996 | 1 | 16 127 | 6.2 | 0 | 5341 | 0 |
| 1997 | 0 | 15 494 | 0 | 0 | 5095 | 0 |
| 1998 | 0 | 15 372 | 0 | 0 | 5264 | 0 |
| 1999 | 1 | 15 216 | 6.6 | 0 | 5128 | 0 |
| 2000 | 5 | 15 491 | 32.3 | 3 | 5292 | 58.5 |
| 1996–2000 | 10.3 | 11.5 | ||||
| Total: 1991–2000 | 25 | 177 047 | 14.1 | 10 | 56 072 | 17.8 |