Table 3.

Reported incidence of noise and squeaking in ceramic-on-ceramic and metal-on-metal bearings

Author	Arthroplasty type	Type of noise	Mean followup (yrs)	Number of noisy hips	Total Number of Hips	%
Pandit et al. [18]	MOM	any noise	minimum 1 yr	2	20	10
Jarrett et al. [14]	COC	any noise	2	43	131	32.8
Keurentjes et al. [15]	COC	any noise	4	9	43	20.9
Mai et al. [17]	COC	any noise	minimum 2 yrs	55	320	17
Toni et al. [22]	COC	any noise	not mentioned	10	554	1.8
Ebied and Journeaux[10]	MOM	squeaking	minimum 2 yrs	not reported	over 200	10
Hing et al. [12]	MOM	squeaking	5	12	230	5.3
Back et al. [1]	MOM	squeaking	3	9	230	3.9
Rosneck et al. [21]	COC	squeaking	1	1	case report	n/a
Jarrett et al. [14]	COC	squeaking	2	14	131	10.7
Mai et al. [17]	COC	squeaking	minimum 2 yrs	32	320	10
Restrepo et al. [19]	COC	squeaking	2	30	1056	2.7
Walter et al. [25]	COC	squeaking	minimum 1 yr	17	2716	0.6
Esposito et al.	MOM	squeaking	4	10	290	2.9

MOM = metal-on-metal resurfacing; COC = ceramic-on-ceramic total hip.