TABLE V. Ratio of geometric mean titres (GMT) of the coronavirus disease 2019 (Covid-19) (recombinant) vaccine among groups over time of collection.
| Collection time and age group | Group | Ratio | CI (95%) | |
| Eight weeks | 12 weeks | |||
| < 40 years | ||||
| Pre 3rd dose | 1715.6 | 1927.3 | 1.1 | (0.67; 1.89) |
| 28 days post 3rd dose | 5706.8 | 5243.1 | 0.9 | (0.64; 1.31) |
| Three months post 3rd dose | 4970.0 | 5133.3 | 1.0 | (0.73; 1.47) |
| Six months post 3rd dose | 5182.1 | 4870.2 | 0.9 | (0.67; 1.32) |
| 12 months post 3rd dose | 5112.5 | 5742.2 | 1.1 | (0.83; 1.53) |
| 40 to 60 years | ||||
| Pre 3rd dose | 1204.7 | 1482.1 | 1.2 | (0.66; 2.31) |
| 28 days post 3rd dose | 5343.8 | 5437.1 | 1.0 | (0.66; 1.56) |
| Three months post 3rd dose | 6231.3 | 5744.5 | 0.9 | (0.59; 1.44) |
| Six months post 3rd dose | 8014.4 | 5756.8 | 0.7 | (0.49; 1.05) |
| 12 months post 3rd dose | 6985.0 | 7003.5 | 1.0 | (0.71; 1.41) |
| > 60 years | ||||
| Pre 3rd dose | - | 3619.7 | - | - |
| 28 days post 3rd dose | - | 8824.1 | - | - |
| Three months post 3rd dose | - | 13838.0 | - | - |
| Six months post 3rd dose | - | 10111.0 | - | - |
| 12 months post 3rd dose | - | 9642.6 | - | - |
Note: There are no participants aged over 60 who received the second dose eight weeks after the first dose.