Clinical characteristics and paired serology measurements of study infants
| Infant number | Gestation (completed weeks) | Birth weight (g) | Dexamethasone cumulative dose (mg/kg) | Pre-4th Hib Ab (μg/ml) | Post-4th Hib Ab (μg/ml) | Pre-4th Hib avidity index | Post-4th Hib avidity index |
|---|---|---|---|---|---|---|---|
| *Not included in GMT calculation as post-booster serology unavailable. | |||||||
| 1 | 24 | 602 | 7.8 | 0.93 | 0.46 | 0.30 | 0.23 |
| 2 | 24 | 810 | 2.9 | 0.21 | 0.49 | <0.06 | <0.06 |
| 3 | 25 | 550 | 25.6 | 0.35 | 0.63 | 0.23 | 0.23 |
| 4 | 25 | 620 | 2.0 | 0.86 | 0.75 | 0.09 | 0.09 |
| 5 | 25 | 784 | 4.3 | 0.47 | 0.49 | 0.20 | >1.0 |
| 6 | 25 | 860 | 2.8 | 0.90 | 0.45 | <0.06 | 0.07 |
| 7 | 26 | 770 | 2.3 | 6.14 | 5.55 | <0.06 | <0.06 |
| 8 | 26 | 850 | 16.5 | 21.59 | 31.1 | 0.06 | 0.08 |
| 9 | 27 | 1040 | 1.5 | 64.91 | 105.91 | <0.06 | 0.19 |
| 10* | 27 | 1130 | 3.6 | 7.05 | NA | 0.07 | NA |
| 11 | 27 | 1235 | 7.8 | 17.06 | 9.44 | 0.13 | 0.15 |
| 12 | 29 | 1210 | 4.2 | 3.25 | 1.74 | 0.06 | 0.47 |
| GMT | 2.35 | 2.24 | 0.076 | 0.138 | |||