Table 3.

Summary of sites of first failure

Sites of Failure	n (%)
Local only	1 (1.8)
Regional only	7 (12.5)
Loco-regional only	5 (8.9)
Regional and distant	5 (8.9)
Loco-regional and distant	1 (1.8)
Distant only	11 (19.6)
No failure	26 (46.4)