Table 1.

Distribution of genes encoding Pilus-Island across serotypes

Pilus Island	Capsular Serotypes. n (%)
	Ia	Ib	II	III	V	Total
PI1+PI2a	4 (50)	1 (100)	5 (35.7)	30 (90.9)	1 (100)	41 (71.9)
PI2a	1 (12.5)	0	8 (57.1)	3 (9.1)	0	12 (21.1)
PI2b	3 (37.5)	0	1 (7.1)	0	0	4 (7)
Total	8 (100)	1 (100)	14 (100)	33 (100)	1 (100)	57 (100)

P value= 0.000