Table 1 Distribution of demographic and perinatal variables. Values are numbers (%) unless otherwise stated.
Variable | No. (%) |
---|---|
Male sex | 64 (60.4) |
Ethnic group | |
White | 52 (48.1) |
Asian/Asian British | 18 (16.7) |
Black/black British | 11 (10.1) |
Mixed | 11 (10.1) |
Other | 16 (14.8) |
Birth weight (g), mean (SD) | 3170 (480) |
Gestational age (weeks), mean (SD) | 38.2 (1.7) |
Mode of delivery | |
Normal vaginal | 63 (58.3) |
Instrumental vaginal | 25 (23.1) |
Caesarean section | 20 (18.5) |
Feeding method | |
Breast | 87 (80.5) |
Artificial | 13 (12.0) |
Mixed | 6 (5.5) |
Associated problems | |
Suspected haemolysis | 49 |
Rhesus incompatibility | 6 |
Probable ABO incompatibility | 16 |
Possible ABO incompatibility | 17 |
Glucose 6‐phosphate dehydrogenase deficiency | 5 |
Hereditary spherocytosis | 3 |
Other causes of haemolysis | 2 |
Dehydration | 30 |
Bruising | 7 |
Sepsis | 4 |
Miscellaneous | 4 |
No associated pathology | 29 |