Table 1:

Annotation Counts for the Five Primary NLM Scrubber Annotation Types at Each Stage of Processing

Type	NLM Scrubber Annotations	nlm2brat.py Annotations	Anchorless Annotations	% Anchored Annotations Out of All Annotations
ADDRESS	4304	4304	10	0.9977
AGE90+	119	119	0	1.0000
ALPHANUMERICID	10297	10297	5	0.9995
DATE	9980	9980	10	0.9990
PERSONALNAME	32372	32372	63	0.9982