Results: Seventy-four patients were included into the study. The median Charlson comorbidity index was 2.0 (1.0 - 3.0).
Kết quả: Mẫu nghiên cứu bao gồm 74 BN, trung vị chỉ số bệnh kèm Charlson là 2,0 (1,0 – 3,0).