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Estimated number of apheresis platelet units collected as single, double and triple collections in the United States, 2015 and 2017 (expressed in thousands)
| 2017 | 2015 | |||
|---|---|---|---|---|
| Apheresis platelet collections | Number units (95% CI) | % all platelets | Number units (95% CI) | % all platelets |
| Single | 541 (382–701) | 23.2% | 405 | 18.1% |
| Double | 1075 (981–1168) | 46.0% | 1109 | 49.6% |
| Triple | 722 (627–816) | 30.9% | 720 | 32.3% |
| Total | 2338 (2189–2487) | 2234 | ||
