Table 1 Case Control Study: Univariate analysis of risk factors
Variable | Category | Controls (n = 81) | Cases (n = 16) | P-value |
|---|---|---|---|---|
Sex | Female | 34 (42%) | 9 (56%) | 0.41 |
Male | 47 (58%) | 7 (44%) | ||
Gest age (weeks) | – | 35.6 ± 4.5 | 31.7 ± 2.7 | 0.001 |
Birthweight (g) | – | 2456 ± 997 | 1550 ± 702 | < 0.001 |
Admission location | Northwick Park | 72 (89%) | 15 (94%) | 1.00 |
Other | 9 (11%) | 1 (6%) | ||
Length of stay | – | 6 [1, 15] | 25 [22, 29] | < 0.001 |
Mother’s ethnicity | White | 22 (28%) | 5 (31%) | 0.73 |
Asian | 17 (21%) | 5 (31%) | ||
Black | 37 (%) | 6 (38%) | ||
Other | 4 (5%) | 0 (0%) | ||
Mode of delivery | Vaginal | 44 (55%) | 2 (12%) | 0.002 |
CS | 36 (45%) | 14 (88%) | ||
Birth location | Northwick Park | 73 (27%) | 15 (94%) | 1.00 |
Other | 8 (10%) | 1 (6%) |