From: Risk factors of mild rectal bleeding in very low birth weight infants: a case control study
Controls n = 144 | Cases n = 72 | p* | |
---|---|---|---|
Pregnancy and delivery | |||
Singleton, n (%) | 99 (68.8) | 49 (68.05) | 0.835 |
Antenatal steroids, n (%) | 123 (85.4) | 64 (88.9) | 0.876 |
Hypertension, n (%) | 14 (9.7) | 16 (22.2) | 0.03 |
Diabetes, n (%) | 10 (6.9) | 11 (15.3) | 0.168 |
Cesarean section, n (%) | 102 (73.6) | 48 (66.7) | 0.250 |
At birth | |||
Birth weight (g) | 1150 [500–1495] | 1140 [540–1480] | 0.831 |
Gestational age (weeks) | 29 [24–32] | 28 [24–32] | 0.446 |
Birth weight < −2SD, n (%) | 30 (20.8) | 16 (22.2) | 0.814 |
Drugs before rectal bleeding | |||
Antiacids, n (%) | 19 (13.1) | 12 (16.7) | 0.663 |
Ibuprofen, n (%) | 19 (13.2) | 22 (30.6) | 0.003 |
Postnatal steroids, n (%) | 4 (2.8) | 6 (8.3) | 0 .087 |
Respiratory support before rectal bleeding | |||
Assisted ventilation (hours) | 19 [0–1916] | 23.5 [0–1311] | 0.955 |
CPAP (hours) | 124 [0–2411] | 212 [0–9312] | 0.178 |
Oxygen therapy (hours) | 15 [0–2913] | 39 [0–2720] | 0.567 |