Table 2 Risk factors associated with placental volume: z-scores
From: Effect of malaria on placental volume measured using three-dimensional ultrasound: a pilot study
N (%) | Z-score Mean ± SD | P-value | ||
|---|---|---|---|---|
Smoking | Yes | 15 (18) | 0.00 ± 1.1 | 0.73 |
No | 69 (82) | -0.11 ± 1.0 | ||
Primigravida | Yes | 31 (37) | -0.14 ± 1.1 | 0.72 |
No | 53 (63) | -0.06 ± 1.0 | ||
Non-malarial infection | Yes | 9 (11) | -0.14 ± 0.55 | 0.80 |
No | 75 (89) | -0.08 ± 1.1 | ||
Anaemia | Yes | 16 (19) | -0.38 ± 0.86 | 0.16 |
No | 68 (81) | -0.02 ± 1.1 | ||
Teenager | Yes | 10 (12) | 0.09 ± 1.5 | 0.70 |
No | 74 (88) | -0.11 ± 1.0 | ||
Malaria* | Yes | 19 (23) | -0.38 ± 1.0 | 0.17 |
No | 65 (77) | 0.00 ± 1.0 | ||
P. falciparum* | Yes | 4 (6) | -1.30 ± 0.4 | 0.003 |
No | 65 (94) | 0.00 ± 1.0 | ||
P. vivax* | Yes | 15 (19) | -0.13 ± 1.0 | 0.66 |
No | 65 (81) | 0.00 ± 1.0 |