Table 2. Distribution of CCR5 genotype of included studies.

Study	Ethnicity	HIV-infected		Healthy Controls		Exposed but uninfected
		+/+1	+/△2	+/+	+/△	+/+	+/△
Battiloro	Caucasian	232	24	744	62
Deng	Mongoloid	88	0	117	2
Diaz	Latina	28	1	142	8	37	1
Downer	Mixed	879	50	422	23
Grimaldi	Mixed	103	10	520	29
Li	Mongoloid	90	4			45	1
Liu	Mixed	261	55	354	68	69	22
Lockett	Mixed	63	23	38	10	40	17
Oh	Caucasian	595	115	352	75
	African	35	0	25	1
Papa	Caucasian	132	6	216	23
Paz-y-Mino	Latina	292	3	50	0
Philpott	Mixed	1940	107	513	45
Takacova	Caucasian	137	25	164	34
Tan	Mongoloid	226	24			222	15
Tang	Mongoloid	221	24			209	14
Trecarichi	Caucasian	111	9			24	6
Veloso	Caucasian	144	40	174	26	31	5
Wang	Mongoloid	329	1			473	1

¹CCR5 homozygotes.

²CCR5-Δ32 heterozygotes.