Table 1.

Serum titanium levels in the unilateral 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	15
Median	15	15	15	25	15	15	15	15	15	15	20
75th	15	27	25.5	57.5	63	77	21.5	15	27	25.5	40