Postmortem computed tomography and autopsy for detection of lesions and causes of death in gunshot injury cases: a comparative study

Egyptian Journal of Forensic Sciences

Table 1 Degree of agreement between PMCT and autopsy in detection of injuries in cases of firearm injury in the head by Cohen’s Kappa test

Detected findings (number of cadavers = 12	N	Cases detected by autopsy alone	Cases detected by PMCT alone	Kappa	Level of agreement	P
Detected findings (number of cadavers = 12	N	n	n
Wound track:	12	12	12	1	Perfect	< 0.001**
Inlet wound	12	12	12	1	Perfect	< 0.001**
Bullet	2	2	2	1	Perfect	< 0.001**
Bone fragments	12	12	12	1	Perfect	< 0.001**
Skull fractures:
Face	8	6	8	0.67	Substantial	< 0.01*
Vault of skull	8	6	8	0.67	Substantial	< 0.01*
Soft tissue lesions:
Hemorrhage	12	12	12	1	Perfect	< 0.001**
Lacerations	12	12	6	0.51	Moderate	< 0.05*
Pneumocephalus	8	0	8	0	No agreement	1 NS

N: number of lesions detected; n: number of cases detected either by autopsy or PMCT; **: highly significant, *: significant, NS: non-significant