Numbers and rates of potential errors of LA-SA drug pairs
| Year | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 |
|---|---|---|---|---|---|---|---|---|---|
| Total hospitalisations (length ≥4 days) | 145 391 | 167 579 | 176 879 | 192 196 | 195 297 | 200 340 | 196 616 | 201 539 | 200 863 |
| Number of hospitalisations exposed to any of the 19 drugs (11 pairs) | 29 794 | 34 863 | 38 055 | 41 796 | 43 559 | 46 050 | 47 674 | 49 348 | 48 693 |
| Number of potential errors from the 11 drug pairs | 20 | 26 | 19 | 39 | 28 | 43 | 47 | 49 | 70 |
| Rate (number of potential errors per1000 hospitalisations) | 0.67 | 0.75 | 0.50 | 0.93 | 0.64 | 0.93 | 0.99 | 0.99 | 1.44 |
LA-SA, look-alike sound-alike.