Medical centre A 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 the 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 | 6 | 7 | 12 | 10 | 0 | 0 | 24 | 22 | 0.92 | 0.617 | 84.0% |
| Drowning | Drowning | 6 | 6 | 0 | 0 | 0 | 0 | 1 | 1 | 7 | 7 | 1.00 | NA | 100.0% |
| Fall | Fall | 193 | 181 | 1 | 1 | 0 | 0 | 0 | 0 | 194 | 182 | 0.94 | 0.014 | 89.9% |
| Fire/burn | Fire/flame | 24 | 12 | 1 | 1 | 0 | 0 | 0 | 0 | 25 | 13 | 1.00 | 1.000 | 92.3% |
| Hot object/substance | 12 | 0 | 0 | 0 | 12 | |||||||||
| Firearm | Firearm | 5 | 4 | 0 | 0 | 12 | 14 | 3 | 2 | 20 | 20 | 1.00 | NA | 100.0% |
| Machinery | Machinery | 2 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 3 | 1.50 | 1.000 | 66.7% |
| MVT | MVT | 157 | 133 | 2 | 2 | 0 | 0 | 0 | 0 | 159 | 135 | 0.85 | <0.001 | 80.4% |
| Other pedal cyclist | Other pedal cyclist | 32 | 30 | 0 | 0 | 0 | 0 | 0 | 0 | 32 | 30 | 0.94 | 0.683 | 82.4% |
| Other pedestrian | Other pedestrian | 4 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 7 | 1.75 | 0.248 | 57.1% |
| Other transport | Other transport | 23 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 23 | 5 | 1.90 | <0.001 | 32.8% |
| Other land transport | 15 | 0 | 0 | 0 | 15 | |||||||||
| MV non-traffic | 24 | 0 | 0 | 0 | 24 | |||||||||
| Natural/environmental | Other natural/environmental | 8 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 2 | 1.00 | NA | 100% |
| Bite and stings-non-venomous | 5 | 0 | 0 | 0 | 5 | |||||||||
| Bite and stings-venomous | 1 | 0 | 0 | 0 | 1 | |||||||||
| Overexertion | Overexertion | 4 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 6 | 1.50 | 0.724 | 11.1% |
| Poisoning | Poisoning | 35 | 34 | 16 | 15 | 0 | 0 | 1 | 2 | 52 | 51 | 0.98 | 1.000 | 94.3% |
| Struck by/against | Struck by/against | 23 | 31 | 0 | 0 | 26 | 27 | 0 | 0 | 49 | 58 | 1.18 | 0.016 | 81.4% |
| Suffocation | Suffocation | 3 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 3 | 1.00 | NA | 100.0% |
| Other specified | Other specified, no NEC | 17 | 16 | 0 | 0 | 5 | 4 | 0 | 1 | 22 | 18 | 0.95 | 0.289 | 69.6% |
| NEC | Other specified, NEC | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 1 | 0 | 3 | NA | 0.248 | 0.0% |
| Not specified | Unspecified | 3 | 10 | 0 | 0 | 1 | 0 | 0 | 0 | 4 | 10 | 2.50 | 0.114 | 16.7% |
| Total | 545 | 545 | 26 | 26 | 56 | 55 | 5 | 6 | 632 | 632 | ||||
| Total: CR* | 1.00 | 1.00 | 0.98 | 1.2 | ||||||||||
All statistically significant p-values are in bold.
*CR: comparability ratio.
†McNemar’s test on paired proportions.
‡PPA: Chamberlain’s per cent positive agreement.
MV, motor vehicle; MVT, motor vehicle traffic; NA, not ppplicable; NEC, not elsewhere classifiable.