Should antibiotics be administered before arthroscopic knee surgery? A systematic review of the literature

Table 3 Comparison of infection rates in simple arthroscopy patients receiving prophylactic antibiotics, excluding bony procedures

Study name	Total patients	Patients receiving antibiotics	Patients not receiving antibiotics	No. of septic arthritis cases: Antibiotic group	No. of septic arthritis cases: No antibiotic group	Septic arthritis rate: Antibiotic group (%)	Septic arthritis rate: No antibiotic group (%)	P valuea
Bert et al[7]	2780	933	1847	1	3	0.11	0.16
Ghnmait et al[15]	180	90	90	0	0	0	0
Total	2960	1023	1937	1	3	0.1	0.15	0.69