Table 1. PK activity, anemia and Plasmodium infection status in the sample set from Maputo, Mozambique (2008).

	Pediatrics	Blood Bank	Total
Age Group	Children (6 months–14 years old); with some complaint	Adults (16–65 years old); healthy blood donors	6 months–65 years old
Nr of samples	144	152	296
Low PK activity (39–75% of control)	4 (2.8%)	8 (5.3%)	12 (4.1%)
Anemia (Hb<9 g/dL)	98 (68.1%)	n.d.	n.d.
Plasmodium infection	41 (28.5%)	4 (2.6%)	45 (15.2%)
Anemia+Infection	19 (13.2%)	n.d.	n.d.

n.d.: not determined.