Table I.

Summary of trial loss to follow-up.

Reason for loss to follow-up	Kinemax, n	Triathlon, n
Surgery
Operation delayed/cancelled	5	1
Non-trial surgeon reallocation	2	N/A
Six weeks postoperatively
Death	1	N/A
Revised (infection)	2	1
Patient withdrew (local follow-up)	9	3
Impaired health prohibited assessment	2	2
One year postoperatively
Not contactable/refused follow-up	N/A	1
Three years postoperatively
Death	4	8
Revised	1	N/A
Not contactable/refused follow-up	2	2
Impaired health prohibited assessment	1	N/A
Eight years postoperatively
Death	10	8
Revised	1	3
Not contactable/refused follow-up	2	7
Impaired health prohibited assessment	3	6

N/A, not applicable.