Table 2.

Collocations found in redundant and non-redundant corpora

	All informative (redundant)	Last informative (non-redundant)
Word Types	81,928	40,774
Words	3,641,031	545,231
Collocations	15,814	2,527
Collocations/Word	0.004	0.004
Avg. number of patients per collocation	18.2	66
% collocations that appear in notes of 3 patients or less	36 %	1 %

Collocations were extracted using a stringent cutoff of 0.001 PMI.