Table 2.

Type of bacteria.

	Frequency	Percent
Coagulase-negative staphylococci	113	41
Staphylococcus aureus	53	19
Streptococci	30	11
Enterococci	26	9
Gram-negative bacteria	17	6
Polymicrobial	27	10
Other microbes	12	4
Total	278	100