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Table 3 Annual number of HIV+ TTI cases caused by blood transfusions from different risk behavior during the next decade

From: Should Men who have sex with Men be allowed to donate blood in Israel?

  MSM (a) IDU (b) No-Risk
Group (c)
FN in known HIV+ 0.00000007 0.00000002 0.0000001
Undetectable in Window Period 4.67 1.08 0.99
FN PS 0.07 0.02 0.02
Misclassification 0.25 0.06 0.02
Total TTI 4.99 (4.30-5.88) 1.16 (1.01-1.36) 1.03 (0.90-1.21)
No. of Donors 4,659 1,108 216,601
One TTI for every 9,328 10,718 2,094,286
Donations
 One year Deferral TTI 0.10 (0.07–0.19) 0.04 (0.03–0.08)  
 Five year Deferral TTI 0.05 (0.03–0.08) 0.02 (0.01–0.03)  
  1. Notes:
  2. FN False - negative
  3. PS Asymptomatic carriers