Table 2: Classification of occurrence of S. mutans in infants delivered through C-section

		C-section* delivery -S. mutans occurrence
Age		Present		Absent		Total
3 months		0		1		1
6 months		1		2		3
12 months		1		1		2
18 months		3		5		8
24 months		1		3		4
36 months		2		0		2

*C-section = Cesarean section