Table 1.

Area-wise distribution of sickle cell gene in Kalahandi district, Odisha, India

Sl no.	Area	Total (n = 761)	% Normal (n = 635)	% sickle cell trait (n = 112)	% sickle cell disease (n = 13)	95 % CI of sickle cell trait proportion	95 % CI of sickle cell disease proportion
1	Lanjigarh	8	87.5 (n = 7)	12.5 (n = 1)		0.02–0.47
2	Bhawanipatna	292	83.2 (n = 243)	15.07 (n = 44)	1.71 (n = 5)	0.11–0.19	0.01–0.03
3	Golmunda	42	73.8 (n = 31)	26.19 (n = 11)		0.15–0.41
4	Jhunagarh	175	86.8 (n = 152)	11.43 (n = 20)	1.71 (n = 3)	0.07–0.16	0.01–0.04
5	Kesinga	36	86.11 (n = 31)	13.89 (n = 5)		0.06–0.03
6	Narla	27	85.18 (n = 23)	14.81 (n = 4)		0.05–0.32
7	Dharmagarh	20	90 (n = 18)	10.00 (n = 2)		0.02–0.30
8	Jaypatna	42	88.09 (n = 37)	11.90 (n = 5)		0.05–0.42
9	Koksara	28	89.28 (n = 25)	10.71 (n = 3)		0.03–0.27
10	Madanpur Rampur	19	68.42 (n = 13)	15.79 (n = 3)	10.52 (n = 2)	0.05–0.37	0.02–0.31
11	Kalampur	2	100 (n = 2)
12	Thuamul Rampur	7	85.71 (n = 6)	14.29 (n = 1)		0.02–0.51
13	Karlamunda	2	100 (n = 2)
14	Other nearby districts	61	73.77 (n = 45)	21.31 (n = 13)	4.916 (n = 3)	0.12–0.33	0.01–0.13

One sample was positive for Hb D trait and is not included in the table