RESUMO
<p><b>OBJECTIVE</b>To study epidemiological characteristics and influential factors of in-hospital patients struck by the Wenchuan earthquake disaster.</p><p><b>METHODS</b>The clinical data of 196 cases were collected from 2 hospitals of Chongqing city, including age, sex, occupation, injury site, dwelling and injury severity score.</p><p><b>RESULTS</b>In this series, 31.63% victims'age was over 60 years, and 54.08% were farmers. Multiple trauma accounted for 35.71%, and lower limb injury for 33.67%. There was no significant difference on injury severity score between city dwellers and rural ones (P>0.05).</p><p><b>CONCLUSION</b>The earthquake injury is influenced by many factors. More attention should be paid to the treatment at first 5 days after injury and high risk population.</p>