Table 1.

Frequency of occurrence of MIPEs by category.

Categorya	% of unwindowed events		% of sum energy windowed events
	Panel centerb	Panel cornerc	Panel centerd	Panel cornere
A	16.09±0.08	21.09±0.14	25.34±0.11	41.17±0.24
B	7.00±0.05	8.09±0.10	11.02±0.08	16.37±0.18
C	0.24±0.01	0.19±0.02	0.38±0.02	0.36±0.03
D	26.15±0.09	13.77±0.12	41.18±0.13	26.83±0.22
E	12.89±0.07	6.89±0.09	20.30±0.10	13.43±0.17

^aSee Fig. 4 for definitions of categories A–E. The tolerances represent the 90% confidence interval of the percentage estimates.

^b100%=388 858 events.

^c100%=131 669 events.

^d100%=246 917 events.

^e100%=67 413 events.