Table 2.

Serum titanium levels in the bilateral hip replacement group

Percentile	3 months	6 months	1 year	2 years	3 years	4 years	5 years	6 years	7 years	8 years	9 years
25th	15	15	15	15	15	15	15	15	15	15	20
Median	15	15	15	15	15	15	15	15	15	15	15
75th	15	15	15	15	15	15	24.5	25	19	35.5	32