Table 3.
Purchases and drug use periods by ATC class among persons with Alzheimer’s disease in the MEDALZ-2005 data during years 2002-2009
| ATC CLASS | Purchases | Drug use periods | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| N | N | Number of purchases per drug use period | DDD of drug use period | Length in days | DDD per day | |||||
| Median | Mean | Median | Sum | Median | Mean | Median | Mean | |||
| A | 402,210 | 82,735 | 2 | 5 | 100 | 3,2475,207 | 150 | 418 | 0.85 | 1.00 |
| B | 116,233 | 19,422 | 3 | 6 | 200 | 7848,540 | 351 | 638 | 0.64 | 0.87 |
| C | 1,075,095 | 124,811 | 5 | 9 | 300 | 8,6698,771 | 573 | 864 | 0.60 | 0.78 |
| G | 130,913 | 21,662 | 3 | 6 | 133 | 8886,697 | 241 | 529 | 0.78 | 0.78 |
| H | 86,325 | 14,297 | 3 | 6 | 133 | 5062,266 | 253 | 615 | 0.60 | 0.76 |
| J | 155,495 | 94,577 | 1 | 2 | 8 | 2040,569 | 21 | 106 | 0.33 | 0.38 |
| L | 17,547 | 2,061 | 6 | 9 | 335 | 1308,533 | 566 | 778 | 0.80 | 0.81 |
| M | 202,855 | 70,855 | 1 | 3 | 33 | 1,0474,142 | 50 | 197 | 0.75 | 0.77 |
| N | 1,328,357 | 173,702 | 4 | 8 | 140 | 8,3409,222 | 320 | 596 | 0.68 | 0.75 |
| P | 3,445 | 1,366 | 1 | 3 | 6 | 95,713 | 15 | 217 | 0.40 | 0.42 |
| R | 117,953 | 29,594 | 1 | 4 | 64 | 7443,245 | 138 | 349 | 0.67 | 0.74 |
| OTHER | 156,657 | 68,757 | 1 | 2 | 0 | 5085,132 | 28 | 147 | 0.00 | 0.11 |
| TOTAL | 3,793,085 | 703,839 | 250,828,037 | |||||||
PRE2DUP created 703,839 drug use periods from 3,793,085 purchases. The total number of purchased DDDs was 250,828,037. OTHER included ATC classes D, S and V. The common names of ATC classes are found in Table 1.