某市强直性脊柱炎住院患者疾病负担分析*

刘影,牛瑞,张雪梅,冯变玲

Analysis on Disease Burden of Hospitalized Patients with Ankylosing Spondylitis in a Certain City

Ying LIU,Rui NIU,Xuemei ZHANG,Bianling FENG

图3 不同级别医院的次均住院天数分布

Fig.3 Distribution of average length of stay in different grade of hospitals