Table IV.

Comparison of Duffy, Kell and Kidd phenotypes with different Indian populations

Phenotype	Indian population					Caucasians (Reid and Lomas- Francis 2004)14	Africans (Reid and Lomas- Francis 2004)14	Chinese (Lin Chu et al, 1998)15
	Thakral et al, 20109 (Chandigarh) (n=1240)	Makroo et al, 201310 (New Delhi) (n=3015)	Agarwal et al, 201316 (New Delhi) (n=508)	Kahar and Patel 201413 (South Gujarat) (n=115)	Present Study (Mumbai) (n=500)
	Percentage proportion
Duffy
Fy(a+b−)	43.85	42.1	36.22	37.39	49.4	17.0	9.0	91.0
Fy(a−b+)	13.25	12.3	15.36	4.35	15.2	34.0	22.0	0.3
Fy(a+b+)	42.90	45	48.03	9.57	35.4	49.0	1.0	8.9
Fy(a−b−)	0	0.3	0.39	48.69	0	Rare	68.0	0
Kidd
Jk(a+b−)	33.44	32.5	30.71	28.69	35.8	28.0	57.0	23.2
Jk(a−b+)	17.35	18.5	22.83	19.13	18.6	23.0	9.0	26.8
Jk(a+b+)	49.21	48.9	46.06	52.17	45.6	49.0	34.0	49.1
Jk(a−b−)	0	Rare	0.39	0	0	Rare	Rare	0.9
Kell
K+k+	5.68	3.5	1.97	6.09	0.4	8.8	2.0	0
K−k+	94.32	96.5	98.03	93.91	99.6	91.0	98.0	100
K+k−	0	Rare	0	0	0	0.2	Rare	Rare