Table 2 .
Comparison of Data Types of Several Surveillance Systems
| Surveillance System | CC Free Text | Symp Survey | CC ICD-9 | DxICD-9 | Age | Gender | Date Time | Visit Site | Arrival Mode* | Disposition† | Geo Code or Address | Other‡ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Bergen County, New Jersey | X | X | X | X | X | X | City | |||||
| Children's Hospital Boston | X | X | X | X | X | 1 | ||||||
| Denver Public Health | X | X | X | X | X | X | X | X | 2 | |||
| Dept. of Defense/GEIS | X | X | X | X | X | X | X | 3 | ||||
| Los Alamos/U. New Mexico5 | X | X | X | X | X | Zip | 4 | |||||
| Regenstrief/Indiana U. | X | X | X | X | X | X | X | 5 | ||||
| Seattle–King County/ U. Washington | X | X | X | X | X | X | X | X | Zip | 6 | ||
| U. Pittsburgh | X | X | X | X | X | X | X | Zip | 7 |
notes: The surveillance systems are identified by the organization(s) responsible for their development— Bergen County Department of Health Services, New Jersey; Children's Hospital Boston, Massachusetts; Denver Public Health Department, Department of Defense, Global Emerging Infections System, Johns Hopkins Applied Physics Laboratory, George Washington University, and Carnegie Mellon University; Los Alamos National Laboratories, University of New Mexico, and New Mexico State Department of Health; Regenstrief Institute and Indiana University School of Medicine; Public Health–Seattle & King County and University of Washington; University of Pittsburgh.
abbreviations: CC indicates chief complaint; Dx, diagnoses; H, home; W, work.
*Paramedic or walk-in, for example.
†Admitted to hospital or returned home, for example.
‡Numbered notes: 1, Presenting complaint coded internally, patients' symptoms in free text. 2, Structured symptoms, computer-assisted phone triage protocols. 3, Provider seen, home zip, site zip, date only (no time included), longitudinal follow-up capability (source: Kelley P, Walter Reed Army Institute of Research, personal communication; Feb 5, 2002.) 4, Home and work zip codes, provider seen, occupation. (additional source: Brillman J, University of New Mexico, personal communication; Feb 6, 2002.) 5, Variable by location—laboratory results, radiographic study reports, vital signs, encounter data, procedures, images, electrocardiograms, notes, adding inpatient medications, surgical notes, surgical pathology, tumor registry. 6, Emergency medical services dispatch, hazardous material calls. 7, Orders, cultures, x-rays, laboratory results, dictations, home and work zips.