Table 3.

Comparison of MCV values in cases and controls

	Beta-thalassemia				Total (%)
	Cases		Controls
	Count (n)	% of total	Count (n)	% of total
Less than 62 fl	14	1.07	177	13.6	191	14.7%
MCV (fl)
62–72 fl	28	2.1	225	17.3	253	19.4%
72–82 fl	13	1.0	393	30.2	406	31.2%
82–92 fl	7	0.5	268	20.6	275	21.2%
More than 92 fl	4	0.3	171	13.2	175	13.5%
Total	66	5.1	1234	94.9	1300	100%