Table 1 Clinical and laboratory findings by umbilical cord arterial hyperlactatemia (5 mmol/L or more)
Participant status | Cord lactate (5 mmol/L or more) | N | p-value | |
|---|---|---|---|---|
< 5 mmol/L | 5 mmol/L + | |||
Age (mean, std err.) | 26.1 (0.40) | 25.1 (0.72) | 368 | 0.223 |
Parity (no, %) | ||||
0 | 88 (31.2) | 30 (34.9) | 368 | 0.126 |
1–2 | 114 (40.4) | 41 (47.7) | ||
3+ | 80 (29.1) | 15 (17.4) | ||
Maternal education (no, %) | ||||
None | 30 (10.6) | 8 (9.3) | 368 | 0.086 |
Primary | 107 (37.9) | 43 (50.0) | ||
Secondary | 125 (44.3) | 26 (30.2) | ||
Tertiary | 20 (7.1) | 9 (10.5) | ||
Booking weight, kg (mean, std err.) | 63.5 (0.72) | 62.9 (1.27) | 334 | 0.688 |
Hypertension (no, %) | 27 (9.0) | 9 (10.0) | 389 | 0.781 |
Antepartum urinary tract infection (no, %) | 21 (7.0) | 7 (7.8) | 389 | 0.808 |
Birth from multiple pregnancy (no, %) | 32 (10.7) | 8 (8.9) | 389 | 0.619 |
Birth after antepartum haemorrhage (no, %) | 6 (2.0) | 4 (4.4) | 389 | 0.200 |
Birth after pre-labour rupture of membranes | 19 (6.4) | 4 (4.4) | 389 | 0.501 |
Meconium stained liquor during labour (no, %) | 26 (8.7) | 14 (15.6) | 389 | 0.060 |
Vaginal delivery (no, %) | 185 (61.9) | 48 (53.3) | 389 | 0.147 |
Birthweight, g (mean, std err) | 2847 (31.6) | 2900 (57.6) | 389 | 0.422 |
Maternal investigations | ||||
Haemoglobin, g/dL (mean, std err) | 11.2 (0.09) | 11.1 (0.17) | 389 | 0.462 |
HIV positive (no, %) | 40 (13.7) | 6 (6.7) | 381 | 0.078 |
Syphilis rapid test positive (no, %) | 4 (1.3) | 1 (1.1) | 388 | 0.865 |
Malaria rapid test positive (no, %) | 3 (1.0) | 4 (4.4) | 389 | 0.031 |