Table 1.

Manual revision of clinical entities.

Types of Revision	Example	Times
Formatting; Typo	delerium -> delirium	207
Formatting; Plural	cancers -> cancer	253
Formatting; removal of non-informative words	heart rate measurement -> heart rate	364
Formatting; removal of abbreviations	absolute neutrophil count (ANC) -> absolute neutrophil count	1768
Simplification	asthmatic conditions -> asthma	573
Breaking down long phrases to logically-connected single phrases	basal or squamous cell carcinoma -> basal cell carcinoma or squamous cell carcinoma	445
Total		3610