Table I.

Isolated pathogens and their distribution.

Pathogen classification	No. of isolated strains, strain	Composition ratio, %
Gram-positive bacteria	47	39.83
Staphylococcus aureus	16	13.56
Staphylococcus epidermidis	12	10.16
Enterococcus faecalis	10	8.47
Staphylococcus purulent	6	5.08
Staphylococcus haemolyticus	4	3.39
Gram-negative bacteria	71	60.17
Pseudomonas aeruginosa	20	16.95
Escherichia coli	15	12.71
Klebsiella pneumonia	12	10.17
Acinetobacter baumannii	10	8.47
Bacillus aerogenes	5	4.24
Enterobacter cloacae	4	3.39
Others	5	4.24
Total	118	100.0