In vivo comparisons of Haemonetics, Spectra, and Trima apheresis platelets stored in PAS for the same times
| Collection machine . | N . | Storage bag . | Storage time (days) . | Platelet recoveries (%) . | P value (H vs S or T) . | Platelet survivals (days) . | P value (H vs S or T) . |
|---|---|---|---|---|---|---|---|
| Haemonetics (H) | 10 | H | 7 | 52 ± 3 | — | 6.0 ± 0.3 | — |
| Spectra (S) | 15 | T | 7 | 49 ± 5 | .71 | 4.7 ± 0.5 | .05 |
| Trima (T) | 9 | T | 7 | 44 ± 3 | .06 | 5.4 ± 0.3 | .74 |
| Haemonetics | 4 | H | 9 | 55 ± 5 | — | 6.6 ± 0.6 | — |
| Spectra | 5 | T | 9 | 24 ± 6 | .007 | 3.2 ± 1.1 | .05 |
| Trima | 8 | T | 9 | 29 ± 7 | .03 | 3.4 ± 0.6 | .006 |
| Trima | 10 | H | 9 | 44 ± 4 | .20 | 5.0 ± 0.2 | .01 |
| Haemonetics | 10 | H | 13 | 49 ± 3 | — | 4.6 ± 0.3 | — |
| Spectra* | 6 | T | 13 | 40 ± 5 | .14 | 2.2 ± 0.5 | .002 |
| Spectra* | 6 | H | 13 | 41 ± 7 | .25 | 4.9 ± 0.8 | .77 |
| Collection machine . | N . | Storage bag . | Storage time (days) . | Platelet recoveries (%) . | P value (H vs S or T) . | Platelet survivals (days) . | P value (H vs S or T) . |
|---|---|---|---|---|---|---|---|
| Haemonetics (H) | 10 | H | 7 | 52 ± 3 | — | 6.0 ± 0.3 | — |
| Spectra (S) | 15 | T | 7 | 49 ± 5 | .71 | 4.7 ± 0.5 | .05 |
| Trima (T) | 9 | T | 7 | 44 ± 3 | .06 | 5.4 ± 0.3 | .74 |
| Haemonetics | 4 | H | 9 | 55 ± 5 | — | 6.6 ± 0.6 | — |
| Spectra | 5 | T | 9 | 24 ± 6 | .007 | 3.2 ± 1.1 | .05 |
| Trima | 8 | T | 9 | 29 ± 7 | .03 | 3.4 ± 0.6 | .006 |
| Trima | 10 | H | 9 | 44 ± 4 | .20 | 5.0 ± 0.2 | .01 |
| Haemonetics | 10 | H | 13 | 49 ± 3 | — | 4.6 ± 0.3 | — |
| Spectra* | 6 | T | 13 | 40 ± 5 | .14 | 2.2 ± 0.5 | .002 |
| Spectra* | 6 | H | 13 | 41 ± 7 | .25 | 4.9 ± 0.8 | .77 |
Data are given as the average ± 1 standard error. The same bags were used to store both Spectra and Trima collected platelets. H, Haemonetics CLX; T, Terumo BCT.
These were paired observations from the same donor’s collection stored in either C or T bags.