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Population demographics of infants
| Characteristic | Value for infants: |
|||
|---|---|---|---|---|
| Completing study |
Receiving fourth dose of PCV7 |
|||
| Term (n = 54) | Preterm (n = 133) | Term (n = 29) | Preterm (n = 32) | |
| Gestation (wk)a | 39.7 (36.9-42) | 28.6 (23.9-35.9) | 39.9 (37.3-51.6) | 27.9 (24.0-32.4) |
| Birth wt (g)a | 3,300 (2,060-4,400) | 1,060 (430-3,390) | 3,315 (2,060-4,380) | 925 (555-2,030) |
| No. of males (%) | 25 (46) | 74 (56) | 15 (52) | 16 (50) |
| No. of multiple births (%) | 4 (7) | 39 (29) | 1 (3) | 9 (28) |
Median (range).
