Shock, peripheral vessel injury, bullet size, bullet fragmentation, and a linger time lag between arrival at the emergency room and surgery to remove the bullet was not associated with an increased of wound infection.

• 枪伤伤口如伴随粉碎性骨折则被发现会增加伤口感染之机会；在五个此类之伤口中，有四个并发伤口感染，而且在后绩清创手术中都发现有周边肌肉组织坏死之现象。