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Average age of vaccine administration between preterm cohorts 2016–17 and historical 2012–14 preterm cohort (t-test)
| Vaccine | Age at administration in preterm cohort | Age at administration in historical preterm cohort | p |
|---|---|---|---|
| Median (IQR) | Median (IQR) | ||
| DTaP-IPV-HBV-Hib 1 doses | 99.0 (45.0) | 96.0 (24.5) | 0.632 |
| PCV 1 doses | 104.0 (47.0) | 96.0 (31.0) | 0.330 |
| Men C | 506.0 (116.0) | 547.0 (179.5) | 0.027 |
| MMR | 454.5 (131.0) | 459.0 (133.0) | 0.536 |
| Varicella | 454.5 (131.0) | 452.0 (123.5) | 0.953 |
