Table-4.

Zone inhibition (mm) of S. aureus isolates growth by gentamicin and by silver nanoparticles.

Type of antibacterial	Minimum	Maximum	Mean±SE
Gentamicin (400 units/ml)	13	17	15.2±0.89
Silver nanoparticles	17.9	21.3	19.2±0.91

S. aureus=Staphylococcus aureus, SE: Standard error