Table 2 Characteristics of the population.

Patients

500

–

Age (years) (mean ± standard deviation)

74 ± 8

–

Women

303

60.6

General comorbidity

0

139

27.8

1

180

36

 ≥ 2

181

36.2

High blood pressure

236

47.2

Diabetes mellitus

117

23.4

Cardiovascular disease

130

26

Thyroid disease

20

4

Respiratory disease

14

2.8

Kidney disease

9

1.8