Factors associated with anaemia and iron deficiency among women of reproductive age in Northeast Thailand: a cross-sectional study

Table 3 Proportions of thalassemia types and the corresponding median values of RBC, Hb and SF concentrations among women of reproductive age in northeast Thailand

Thalassemia type	n	%	RBC (× 10¹²/L)	IQR	Hb (g/dL)	IQR	SF (μg/L)	IQR
Non-thalassemia	143	38.6	4.69	4.43–4.95	12.8	12.1–13.5	24.8	8.6–43.4
One α-gene defect^a	53	14.3	4.98*	4.79–5.23	12.5	12.1–13.1	34.1*	15.6–58.3
Two α-gene defects^b	22	5.9	5.54*	5.10–5.80	11.8*	10.4–12.3	48.4*	29.2–63.2
Hb E trait	95	25.7	5.21*	4.88–5.42	12.4*	11.8–13.0	27.9	13.9–50.4
Hb E trait with one α-gene defect	28	7.6	4.96*	4.79–5.15	12.5	12.0–13.1	23.7	11.3–52.2
Hb E trait with two α-gene defects	10	2.7	5.59*	5.23–5.93	12.1*	11.6–12.4	24.8	11.9–97.6
Homozygous Hb E	19	5.1	6.10*	5.51–6.34	11.6*	11.0–12.4	44.4*	33.0–64.2

RBC Red blood cell count, IQR Interquartile range, Hb Haemoglobin, SF Serum ferritin
^aIncluding α⁺-thalassemia trait, Hb CS trait
^bIncluding homozygous α⁺-thalassemia, homozygous Hb CS, α⁰-thalassemia trait, and β-thalassemia trait
^*p-value < 0.05 for the difference between non-thalassemia and thalassemia type (Mann-Whitney U test)

ISSN: 1471-2458