Table 3.

Mid- to longer-term studies of BHR in younger patients

Study	Number of BHR	Mean age (years)	Mean follow-up (years)	Survivorship
Current study	4790	Males 52	19	93.3% 17 years
Frew et al. [14]	155	Males 47	8.2	88.8% 13 years
Azam et al. [6]	244	Males 58 Females 55	12	Males 95.4% Females 89.8%
Halawi et al. [16]	442	48	6	Not documented
Oak et al. [25]	541	53	6.2	98.8% 5 years
Rahman et al. [29]	329	56	6.6	96.5% 9 years
Madhu et al. [21]	117	54	7	91.5% 7 years
Coulter et al. [10]	230	52	10.4	Males 97.5% Females 89.1% 10 years
Holland et al. [17]	100	51	9.5	Males 94.6% Females 84.6% 10 years

BHR = Birmingham Hip Resurfacing.