Table 1.

Implant choice in total hip arthroplasty

Implant	Mean (%)	Standard deviation (%)	Median (%)	25th percentile (%)	75th percentile (%)
Non-cemented stem	80	21	97	87	69
Non-cemented cup	94	16	100	100	98
Ceramic head	65	36	31	79	98
Metal head	32	34	2	18	61
HXLPE-neutral liner	49	39	47	7	91
HXLPE-lipped liner	40	38	26	2	80
Ceramic liner	6	15	0	0	3
MDM liner	9	11	5	1	13
Constrained liner	3	6	0	0	3