Group
Tx-vac-flu (n=18) Tx-no vac-flu (n=6) Healthy-flu (n=12) Tx-vac-no flu (n=13)
Type of influenza A
13 5 4* N/A
B 5 2 8
Influenza PCR cycle threshold Mean 23.3 26.6 24.5
Range 8.3 - 30.9 16.9 - 35.5 20.3 - 31.4
Median 25.3 26.7 24.3#
Interquartile Range 20.6 - 27.5 23.5 - 29.9 20.8 - 26.2
Tx-vac-flu=Transplant recipients who developed influenza despite influenza vaccination
Tx-no vac-flu=Transplant recipients who developed influenza in the absence of influenza vaccination
Healthy-flu=Healthy people who developed influenza
Tx-vac-no flu=Transplant recipients who received influenza vaccination and did not develop influenza
N/A=not applicable.
*P=0.04, P=0.3, #P=0.9; compared to the tx-vac-flu group.
Table 3: Virological characteristics.