A Comparison of Capillary and Venous Blood Haematocrits of Pregnant Women in Nigeria: The Impact on Diagnosis and Prevalence of Anaemia in Pregnancy

Table 2

Association between prevalence of anaemia and source of blood.

GA category (weeks)	Source of blood	Anaemia in pregnancy		𝑃 value	O.R (CI: 95%)
		Yes (%)	No (%)
All GA	Capillary	67 (33.5)	133 (66.5)	0.233	1.3 (0.85, 1.98)
	Venous	56 (28.0)	144 (72.0)		—
<28	Capillary	33 (40.2)	49 (59.8)	0.331	1.4 (0.73, 2.60)
	Venous	27 (32.9)	55 (67.1)		—
≥28	Capillary	34 (28.8)	84 (71.2)	0.462	1.2 (0.70, 2.22)
	Venous	29 (24.6)	89 (75.4)		—