Table II.

Distribution of G types in various geographic locations in India

Centre	Year of study	Age (yr)	No. tested	G1	G2	G3	G4	G9	Mixed	UT
North India:
Delhi21	1990 - 1991	<5	51	17	13	5	4	—	5	7
Delhi25	1998 - 2000	<3	100	31	12	18	5	—	—	34
Delhi24	2000 - 2001	<5	135	32	18	8	—	21	10	46
Western India:
Pune28	1990 - 1993	children	205	15	49	1	9	—	33	98
Eastern India:
Calcutta45	1999 - 2000	NK	150	49	27	—	30	—	18	16
South India:
Bangalore31	1988 - 1994	NK	150	15	20	53	7	—	—	55
Chennai32	1997 - 1999	0 - 2, >2	48	7	33	1	—	—	7	—
Chennai33	1995 - 1999	<3	118	11	78	2	16	—	11	—
Hyderabad34	1998 - 1999	<2	46	16	—	—	8	—	5	17
Mysore31	1993 - 1994	NK	50	23	—	12	—	—	—	15
Vellore37	1995 - 1998	<5	126	50	24	1	30	5	10	25
Vellore38	2002 - 2004	<5	94	44	8	—	—	18	4	19
Multiple:
Multiple 139	1993	6 m to <5	63	7	14	7	6	15	7	7
Multiple 240	1996 - 1998	<5	287	51	99	2	32	50	31	22
Multiple 341	1998 - 1999	<5	82	33	7	9	12	7	—	14
Multiple 442	1998 - 2000	<4	159	61	38	—	20	—	11	29
Multiple 543	2001	<4/all	126	62	17	—	6	—	26	15
Total			1998	524	457	119	185	116	178	419

^*UT, untypable; NK, not known