Table 2 Appearance time and frequencies of the rib fractures and related findings
| Â | Appearance time ranges (months)* | Crude frequency of each finding | Frequency at 24 months by Kaplan-Meier method |
|---|---|---|---|
Rib fracture | 21.2 (4-58) | 41/177(23.2%) | 27.4% |
Thinning of the cortex | 15.6 (4-36) | 36/177 (20.3%) | Â |
Osteosclerosis | 14.7 (4-57) | 26/177(14.7%) | Â |
Chest wall edema | 12.0 (2-57) | 45/177 (25.4%) | Â |