HA titer | OD value in inter-batch | Mean ± SD | CV%a | ||
---|---|---|---|---|---|
1Â day | 30Â days | 60Â days | |||
25 | 1.197 | 1.116 | 1.138 | 1.150 ± 0.042 | 3.6 |
24 | 0.841 | 0.861 | 0.872 | 0.858 ± 0.016 | 1.9 |
23 | 0.563 | 0.565 | 0.535 | 0.554 ± 0.017 | 3.0 |
22 | 0.330 | 0.337 | 0.358 | 0.341 ± 0.015 | 4.3 |
21 | 0.157 | 0.155 | 0.168 | 0.160 ± 0.007 | 4.3 |
20 | 0.081 | 0.082 | 0.077 | 0.080 ± 0.003 | 3.4 |