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

Table 2 Comparison of infection rates in simple arthroscopy patients receiving prophylactic antibiotics

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: Antibiotic group (%)	Septic arthritis rate: No antibiotic group (%)	P valuea
Wyatt et al[8]	40810	32836	7974	25	11	0.08	0.14
Bert et al[7]	2780	933	1847	1	3	0.15	0.16
Qi et al[17]	1326	614	712	1	1	0.16	0.14
Ghnmait et al[15]	180	90	90	0	0	0	0
Rose et al[12]	302	14	288	0	1	0	0.35
Total	45398	34487	10911	27	16	0.08	0.15	0.05