Table 1 List of complications during admission, co-morbidities and risk factors of all the patients enrolled in the study

Pulmonary edema (%)

5.5

Acute infection (%)

3.2

Acute renal failure (%)

1.7

Acute CVA (%)

0.2

Aspiration (%)

0.2

COPD exacerbation (%)

0.5

Co-morbidities and risk factors (%)

 Hypertension (%)

26.8

 Hyperlipidemia (%)

24.3

 Diabetes mellitus (%)

15.0

 History of IHD (%)

12.2

 Smoker (%)

4.8

 Obesity (%)

4.3

 Chronic renal failure (%)

3.2

 Congestive heart failure (%)

2.6

 Chronic obstructive pulmonary disease (%)

1.9

 Peripheral vascular disease (%)

1.4

 History of stroke (%)

1.0

Baseline laboratory information

 Albumin (g/dL)

3.94 ± 0.39

 Creatinine (mg/dL)

1.05 ± 0.66

 Cholesterol (mg/dL)

175 ± 46

 Hemoglobin (g/L)

13.6 ± 1.7

 WBC (cells/cmm³)

9.9 ± 4.4