Factors associated with being polymerase chain reaction (PCR) positive in first 3 days of life
| Total | No of children PCR positive in first 3 days | Unadjusted odds ratio (95% CI) | p Value | |
|---|---|---|---|---|
| *Excluding elective CS. | ||||
| †Cannot calculate odds ratio because one cell is empty. Fisher’s exact p values given. | ||||
| CS, Caesarean section. | ||||
| Mother HIV uninfected | 38 | 9 (24%) | 1.0 | |
| Mother HIV co-infected | 14 | 6 (43%) | 2.42 (0.64 to 9.16) | 0.18 |
| Missing | 2 | 2 | ||
| Mother PCR positive | 10 | 4 (40%) | χ2 = 2.24† | 0.21 |
| Mother PCR negative | 4 | 0 (0%) | ||
| Missing | 40 | |||
| Male | 27 | 9 (33%) | 1.0 | |
| Female | 27 | 8 (30%) | 0.84 (0.26 to 2.69) | 0.77 |
| Vaginal & emergency CS | 34 | 12 (35%) | 1.0 | |
| Elective CS | 14 | 5 (36%) | 1.02 (0.27 to 3.79) | 0.98 |
| Missing | 6 | 0 | ||
| Normal birth weight | 38 | 13 (34%) | χ2 = 3.51† | 0.13 |
| Low birth weight (<2500 g) | 2 | 2 (100%) | ||
| Missing | 14 | 2 | ||
| Term* | 24 | 8 (33%) | χ2 = 3.47† | 0.14 |
| Premature* (<37 weeks) | 2 | 2 (100%) | ||
| Missing | 28 | 7 | ||
| Formula fed | 39 | 15 (38%) | 1.0 | |
| Breast fed | 11 | 1 (9%) | 0.16 (0.02 to 1.52) | 0.07 |
| Missing | 4 | 1 | ||
| Genotype 2, 3, 4 | 16 | 2 (12%) | 1.0 | |
| Genotype 1 | 12 | 7 (58%) | 9.80 (1.10 to 86.98) | 0.01 |
| Missing | 26 | 8 | ||