Fig. 4

Nomogram of the in-hospital mortality risk prediction model for COPD complicated by HF patients. A: Low-weight patients; B: Normal-weight patients; C: Overweight patients, D: Obesity patients.
Nomogram of the in-hospital mortality risk prediction model for COPD complicated by HF patients. A: Low-weight patients; B: Normal-weight patients; C: Overweight patients, D: Obesity patients.