crude number of failures
n=325 events in 222 pats. (out of 731): 30%
Regional
n=41
systemic
n=152
Local
n=69
PAN
n=63
13
12
3
4
36
92
22
2
7
16
LT Tan et al.
submitted to R&O
70/222 (32%)
local-nodal only