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An example of purchase history, consisting of five purchases; each of 10 DDDs and average dose is one DDD per day
| Purchase i | 1 | 2 | 3 | 4 | 5 |
|---|---|---|---|---|---|
| DDD | 10 | 10 | 10 | 10 | 10 |
| Days between i and i + 1 | 10 | 5 | 15 | 10 | NA |
| DDD per day to next purchase | 1,00 | 2,00 | 0,67 | 1,00 | NA |
| Sliding temporal average DDDAVGi | 1,09 | 1,33 | 0,80 | 0,92 | 1,00 |
| Calculated refill time length in days | 9,17 | 7,50 | 12,50 | 10,83 | 10,00 |
The second purchase shows a possible example of stockpiling and the third purchase suggests the use of this stock.
