Nasal and Pharyngeal Colonization by Bacterial Pathogens: A Comparative Study between Preclinical and Clinical Sciences Medical Students

Table 2

Distribution of bacterial isolates from nasal and pharyngeal specimens.

Organism	Nasal swab Subset A ()	Nasal swab Subset B ()	value
Staphylococcus aureus	25	45	0.003
Methicillin-resistant Staphylococcus aureus (MRSA)	10	29	0.001
	Pharyngeal swab Subset A ()	Pharyngeal swab Subset B ()
Staphylococcus aureus	5	6	0.756
Methicillin-resistant Staphylococcus aureus (MRSA)	2	3	0.651
Haemophilus influenzae	6	19	0.005
Haemophilus parainfluenzae	3	4	0.700
Streptococcus pneumoniae	2	6	0.149
Beta-hemolytic streptococci	8	3	0.121

Significant association.