Table 1.

Overview of 11 studies reporting about prosthesis retention at the site of periprosthetic hip joint infections with regard to publication year, number of patients treated, type of infection, and level of evidence

Ref.	Publication year	Number of patients	Type of infection	Level of evidence
Aboltins et al[6]	2007	13	7 early1	IV
			6 late
Aboltins et al[7]	2013	19	All early1	III
Anagnostakos et al[8]	2010	12	All late2	IV
Choi et al[9]	2012	28	All early3	III
Crockarell et al[10]	1998	42	19 early3	IV
			19 late
			4 acute hematogenous
Kelm et al[11]	2009	28	All early2	IV
Klouche et al[12]	2011	12	All early3	IV
Lee et al[13]	2013	19	10 late3	IV
			9 acute hematogenous
Tsukayama et al[2]	1996	41	35 early3	IV
			6 acute hematogenous
Waagsbø et al[3]	2009	40	30 early4	IV
			10 late
Westberg et al[14]	2013	38	Early3	IV

¹Early < 3 mo after surgery; late > 3 mo after surgery;

²Early < 6 wk after surgery; late > 6 wk after surgery;

³Early < 4 wk after surgery; late > 4 wk after surgery; Acute hematogenous > 4 wk after surgery due to bacteremia;

⁴Early < 4 wk after surgery; late > 4 wk after surgery.