TABLE 1.

Maternal and infant clinical characteristics

	n (%) or median (range)
Maternal demographics (n = 27)
Age at delivery (years)	26.1 (16.2–39.4)
Weight at 3T (kg) (n = 21)	57.0 (46.1–92.3)
PK sampling age (gestational or postpartum weeks)
2T (n = 17)	24.9 (20.0–28.9)
3T (n = 21)	32.9 (30.1–36.9)
PP (n = 14)	4.9 (2.3–7.1)
Race/ethnicity
Black African	11 (41)
Asian	9 (33)
Mixed descent	4 (15)
Hispanic	3 (11)
Country
South Africa	10 (37)
Thailand	9 (33)
Tanzania	3 (11)
Botswana	2 (7)
Brazil	2 (7)
USA	1 (4)
NAT2 metabolizer type (n = 24)
Slow	13 (54)
Intermediate	7 (29)
Fast	4 (17)
Infant demographics (n = 27)
Gestational age (weeks)	38.6 (28.1–41.6)
Birth weight (g)	3,100 (1,195–3,960)