14. Change in nutritional status parameters: vitamin A versus placebo.

Trial ID	Nutritional parameter	Statistical Measure	Intervention			Control			Timing of endpoint	Difference between groups at endpoint (as reported by trial authors)
			Baseline	Endpoint	N1	Baseline	Endpoint	N1
Baeten 2002 KEN3	Vitamin A (µmol/L)2	Median	0.97	1.03	Not reported	0.95	0.94	Not reported	6 weeks	P = 0.03. "No effect" reported for those who were severely deficient at baseline
Semba 1998 USA3	Vitamin A (µmol/L)3	Median	1.61	Presented in a graph	Not reported	1.37	Presented in a graph	Not reported	4 weeks	"Not different"
Humphrey 1999 USA3	Vitamin A (µmol/L)3	Median	1.56	1.54	20	1.37	1.30	15	4 weeks	"No change"

¹The number of participants stated is the number assessed for endpoint data.
 ²Baeten 2002 KEN: Data converted from µg/dL to µmol/L.
 ³Analysis of blood micronutrient concentrations did not include adjustment for biomarkers of inflammation.