Table 1.
Descriptive data summarising the different clinical groups by malaria status
Clinical group | Diagnosis | Maternal age at delivery (years, mean +/− SD) | Estimated gestational age at delivery (weeks, mean +/− SD) | Median parity (range) | Median number of malaria episodes (range) | No. of cases with pure Pf N = 26 (% cases) | No. of cases with pure Pv N = 5 (% cases) | Mixed Pf + Pv N = 9 (% cases) | Mean placental weight at delivery/g (SD) | Birth weight/g (SD) | Haematocrit (%) |
---|---|---|---|---|---|---|---|---|---|---|---|
CONTROLS N = 27 |
UK + Thai/Karen controls |
29.6 (6.2) |
38.2 (2.42) |
2 (0–5) |
0 |
- |
- |
- |
493 (127) |
2951 (457)b |
30.1 (3.21)b |
TREATED MALARIA N = 26 |
Malaria infection during pregnancy but not at delivery |
28.0 (6.7) |
39.6 (1.21) |
2 (0–8) |
1 (1–6) |
17 (65.4%) |
3 (11.5%) |
6 (23.1%) |
524 (130) |
2923 (322) |
27.0 (2.64) |
ACTIVE MALARIA N = 14 |
Active placental malaria at delivery |
24.7 (6.5) |
39.1 (1.59) |
0 (0–4) |
1 (1–7) |
9 (64.3%) |
2 (14.3%) |
3 (21.4%) |
474 (116) |
2801 (511) |
27.2 (3.13) |
p value across groups | - | 0.084 | 0.09 | 0.048 | 0.83a | 1.0a | 1.0a | 1.0a | 0.56 | 0.692 | 0.0034* |
aComparison does not include controls; bNo data from UK controls, n = 9 * significant.