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Table 3 The 25 most frequent terms only found in the false positive dataset and not in the true positive for each of the two text mining methods. If present in both methods, the counts are sorted on the frequencies in the I2E method, otherwise sorted for each method. Terms not present in dataset are marked with '-'

From: Implementation and comparison of two text mining methods with a standard pharmacovigilance method for signal detection of medication errors

TermI2ECPR
insulin syringes718516
woman700622
elevated624567
changes613492
prefilled608-
prefilled insulin573-
flexpen prefilled545-
elevated blood545495
elevated blood glucose542492
the woman542471
flexpen prefilled insulin539-
introduced505404
introduced to500397
was introduced498401
switched497533
was introduced to494395
prefilled insulin syringes491-
elevated blood glucose levels489447
who was introduced488399
who was introduced to486395
activity463-
flexpen prefilled insulin syringes460-
conventional459657
air455414
prior439390
while using-401
conventional insulin-389
man-385
prior to-375
a woman-369
woman reported-351
his blood-346