Table 1 Means and standard deviations of PMCT variables in gunshot distance groups, with P values against the contact shot group
From: Post-mortem computed tomography in forensic shooting distance estimation: a porcine cadaver study
Variable | Contact shot (n = 23) | Close-range shot (n = 21) | Distant shot (n = 15) | |||||
|---|---|---|---|---|---|---|---|---|
Mean | SD | Mean | SD | P value1 | Mean | SD | P value1 | |
Channel diameter (mm) | 3.4 | 0.7 | 4.5 | 0.7 | 0.002 | 5.3 | 0.8 | < 0.001 |
Ring diameter (mm) | 7.8 | 1.3 | Not visible | Not visible | ||||
Ring thickness (mm) | 2.4 | 0.6 | Not visible | Not visible | ||||