Table 1

Clinical characteristics of very low birthweight infants, one group of which received corticosteroid (n=19) and the other group did not (n=30)

Corticosteroid group (n=19)Non-treatment group (n=30)
Where applicable, results are median (interquartile range).
*p<0.05, **p<0.001 compared with corticosteroid group.
Gestational age (weeks)27.8 (26.7–29.2)29.6 (29.1–31.1)**
Birth weight (g)1038 (884–1192)1146 (998–1364)
Male to female ratio (n)12 (63%) : 7 (37%)16 (53%) : 14 (47%)
Antenatal dexamethasone (doses)2 (2–4)2 (2–4)
Duration between the last dose of antenatal dexamethasone and delivery (h)55 (15–115)29 (9–68)
Mode of delivery:
    Caesarean section : instrumental : normal9 (47%) : 0 (0%) : 10 (53%)23 (77%) : 1 (3%) : 6 (20%)*
Apgar scores
    1 min5.8 (4.0–7.3)6.5 (3.9–8.0)
    5 min9.0 (8.0–9.0)9.0 (7.0–10.0)
Age at start of postnatal dexamethasone treatment (days)25 (17–37)
Age at start of multivitaman preparation—Vimax (days)35 (25–53)37 (27–50)
Age at start of oral phosphate supplement (days)33 (25–54)35 (27–47)
Age at which full enteral feeding achieved (days)33 (25–53)38 (27–56)
Duration of mechanical ventilation (days)28 (13–59)7 (2–16)**
Duration of oxygen dependency (days)37 (22–63)8 (2 –24)**
Duration of hospital stay (days)103 (84–118)71 (58–100)**
Outcome
    Alive : dead19 (100%) : 0 (0%)29 (97%) : 1 (3%)