Conclusions
Taken together, our results identified that hypertension and chronic cor pulmonale (CCP) were independently associated with LHS in AECOPD patients. These results indicated that AECOPD patients combined with hypertension and/or CCP were more severe. Then, it was necessary to provide earlier and more effective interventions to AECOPD patients combined with hypertension and CCP. However, these findings should be validated in primary health care and other ethnic groups in the future.