09 February 2022>: Clinical Research
A Risk Prediction Model for Prolonged Length of Stay in Patients with Acute Exacerbations of Chronic Obstructive Pulmonary Disease: A Retrospective Study of 225 Patients in a Single Center in Kunming, China
Lifen Yang 1ABCDEFG* , Meihua Li 1BCD , Jingkui Shu 2BCD , Yanxia Yang 1BCD , Qian Huang 3BCDDOI: 10.12659/MSM.934392
Med Sci Monit 2022; 28:e934392
Figure 2 Calibration curve of the prediction model.