Blood Transfusion Frequency and Indications in Yemeni Children with Sickle Cell Disease

Table 4

Pretransfusion hemoglobin level of transfused patients in 275 episodes.

Hemoglobin (g/dL)	Female	Male	All
	n	n	n	(%)
2–2.9	4	8	12	(4.4)
3–3.9	15	18	33	(12.0)
4–4.9	20	43	63	(22.9)
5–5.9	37	45	82	(29.8)
6–6.9	23	24	47	(17.1)
7–7.9	6	19	25	(9.1)
8–8.9	5	8	13	(4.7)
Total	110	165	275	(100.0)