Volume 5, Number 3—June 1999
Dispatch
Application of Data Mining to Intensive Care Unit Microbiologic Data1
Table 1
Templates used to filter association rules
| Template type | Left (be1) | Right (be2) | Explanation |
|---|---|---|---|
| Exclude | (R~Antibiotic) | (Anything) | Want antibiotic sensitivity info on the right only. |
| Exclude | (Anything) | (Source) | Source of infection is not an outcome. Therefore, exclude all rules with a source on the right. |
| Exclude | (NS OR Org GrMP) | (NS OR Org OR GrMP | NS, Org, and GrMp are more informative if kept together in either a group or an outcome. |
| Exclude | (Loc) | (Org OR GrMp) AND (R~Antibiotic) | If the left contains location, then exclude rules that have Org and R~Antibiotic or GrMp and R~Antibiotic. |
| Include | (Org OR Loc) | (R~Antibiotic OR GrMp OR Org) AND Not (Loc) | Include rules whose groups are Org- or Loc-specific and whose outcomes are Antibiotic- or GrMp-specific. |
be1 and be2, Boolean expressions; R, resistant; NS, nosocomial; OR, "or"; Org, organism; GrMp, Gram stain and morphology; Loc, Location.


