OBSP Statistical Summary for PHORATE

Spike Level	Range	N	Mean	Std-Dev.	Median	F_Pseudo
ULTRA-LOW	0.005-0.055	20	60%	24%	56%	22%
LOW	0.055-0.155	25	66%	27%	74%	25%
MEDIUM	0.155-0.55	7	87%	10%	87%	14%