Medical centre B dataset: tabulation of mechanisms/causes using Clinical Modification of the 9th Revision of the International Classification of Diseases (ICD-9-CM) and Clinical Modification of the 10th Revision of ICD (ICD-10-CM) external cause of injury matrices
| Mechanism/cause | Injury intent | Total | ||||||||||||
| Unintentional | Self-harm | Assault | Undetermined | |||||||||||
| ICD-9-CM | ICD-10-CM | 9-CM | 10-CM | 9-CM | 10-CM | 9-CM | 10-CM | 9-CM | 10-CM | 9-CM | 10-CM | CR* | P value† | PPA‡ |
| Cut/pierce | Cut/pierce | 6 | 5 | 0 | 2 | 7 | 7 | 0 | 0 | 13 | 14 | 1.08 | 1.000 | 80.0% |
| Fall | Fall | 160 | 161 | 0 | 0 | 0 | 0 | 0 | 0 | 160 | 161 | 1.01 | 1.000 | 95.7% |
| Fire/burn | Fire/flame | 32 | 15 | 1 | 0 | 1 | 0 | 0 | 0 | 34 | 15 | 1.00 | NA | 100.0% |
| Hot object/substance | 17 | 1 | 1 | 0 | 19 | |||||||||
| Firearm | Firearm | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 2 | 2 | 1.00 | NA | 100.0% |
| Machinery | Machinery | 14 | 13 | 0 | 0 | 0 | 0 | 0 | 0 | 14 | 13 | 0.93 | 1.000 | 68.8% |
| MVT | MVT | 142 | 146 | 1 | 1 | 0 | 0 | 0 | 0 | 143 | 147 | 1.03 | 0.289 | 94.6% |
| Other pedal cyclist | Other pedal cyclist | 18 | 12 | 0 | 0 | 0 | 0 | 0 | 0 | 18 | 12 | 0.67 | 0.041 | 66.7% |
| Other pedestrian | Other pedestrian | 1 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 3 | 3.00 | 0.480 | 33.3% |
| Other transport | Other transport | 27 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 27 | 4 | 1.07 | 0.724 | 75% |
| Other land transport | 18 | 0 | 0 | 0 | 18 | |||||||||
| MV non-traffic | 7 | 0 | 0 | 0 | 7 | |||||||||
| Natural/environmental | Other natural/environmental | 5 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 4 | 1.00 | 1.000 | 66.7% |
| Bite and stings-non-venomous | 1 | 0 | 0 | 0 | 1 | |||||||||
| Overexertion | Overexertion | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1.00 | 1.000 | 0.0% |
| Poisoning | Poisoning | 14 | 14 | 22 | 22 | 0 | 0 | 3 | 2 | 39 | 38 | 0.97 | 1.000 | 97.4% |
| Struck by/against | Struck by/against | 19 | 19 | 0 | 0 | 14 | 14 | 0 | 0 | 33 | 33 | 1.00 | 1.000 | 88.6% |
| Suffocation | Suffocation | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0.00 | 0.480 | 0.0% |
| Other specified | Other specified, no NEC§ | 13 | 14 | 0 | 0 | 1 | 3 | 0 | 0 | 14 | 17 | 1.21 | 0.571 | 66.7% |
| NEC§ | Other specified, NEC§ | 4 | 0 | 1 | 1 | 0 | 1 | 0 | 0 | 5 | 2 | 0.40 | 0.371 | 16.7% |
| Not specified | Unspecified | 7 | 9 | 0 | 0 | 2 | 0 | 0 | 0 | 9 | 9 | 1.00 | 1.000 | 50.0% |
| Total | 466 | 464 | 26 | 28 | 25 | 26 | 3 | 2 | 520 | 520 | ||||
| Total: CR* | 1.00 | 1.08 | 1.04 | 0.67 | ||||||||||
*CR: comparability ratio.
†McNemar’s test on paired proportions.
‡PPA: Chamberlain’s per cent positive agreement.
§NEC: Not Elsewhere Classifiable.
MV, motor vehicle; MVT, motor vehicle traffic; NA, Not Applicable.