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Table 2 Comparisons of total number of plateletpheresis donors, donations, and units before and after the ban

From: The apheresis platelet donation was increased after a nationwide ban on family/replacement donation in China

  Mean (SD) t pa
Before the ban After the ban
Overall GZ Set
 Total #donors 10,297 (1442) 7530 (934) 3.10 0.0092
 Total #donations 17,744 (2108) 21,662 (3753) 2.45 0.0308
 Total units (U) 28,781 (3959) 38,425 (7417) 3.14 0.0085
Overall CD Set
 Total #donors 6170 (975) 4754 (317) 2.42 0.0325
 Total #donations 9349 (1843) 12,469 (392) 2.83 0.0150
 Total units (U) 12,803 (2250) 20,558 (1488) 5.56 0.0001
  1. aIndependent t-tests (two-tailed)