Table 4.

Matrix of co-infections in women positive to High Risk probe.

	HPV type
HPV type	18	26	31	33	35	39	40	44	45	51	52	53	56	58	59	66	68	70	73
16	6	2	3	6	5	5	2		3	4	4	4	2	2		5	1	1	1
31		1			1	1				1	1			1		2			2
33		2								2		1	1		1	2
35	2														1	2
39	1	1	1		1										1	1
42			2							1									1
43			1						1
45	1		1		1
51	1										1	3	1	1			1
52					1					1					1	1	1		1
53			1														1
54			1									1
56				1						1	2	1			1
58				1	1	1						1	1			1
66	1									1					2		1
70								1		1	1
81			1
82										1			1			1			1

Triple infections are reported as three couples, quadruple infections as 12 couples. N 97

note:15 triple infection: 18/16/35 two; 16/66/33; 16/31/35; 31/73/42; 16/31/45; 16/33/51; 54/31/53; 51/52/56; 16/51/56; 16/53/58; 33/56/58; 35/59/66; 51/66/68; 16/52/70

2 quadruple infections 16/39/18/66; 16/26/31/39