Table 2 Completeness and accuracy of place of occurrence E codes, Emergency Department Injury Surveillance System (EDISS), Massachusetts, March 1999–February 2000
Probable work-relatedProbable non-work-related
NumberNumber (%)with E codeNumber (%)of accurateE codesNumberNumber (%)with E codeNumber (%)of accurateE codesEstimated (%)with E codeEstimated (%)of accurateE codes
All injury cases993431 (43.4)100 (23.2)24264 (26.4)52 (81.3)(27.2)(78.5)
Location of injury documented in the medical record239127 (53.1)90 (70.9)11752 (44.4)45 (86.5)(44.9)(85.8)
Location of injury not documented in the medical record754304 (40.3)10 (3.3)12512 (9.6)7 (58.3)(11.0)(55.8)
Cases determined not to be an injury77 (100)0 (0.0)88 (100)0 (0.0)(100)(0.0)
All cases1000438 (43.8)100 (22.8)25072 (28.8)52 (72.2)(29.5)(69.9)