Table 1.

Features of the subjects (n = 110) included in the study

Number of patients	110
Males (%)	49 (44.5%)
Females (%)	61 (55.5%)
Mean age at insertion (range)	58.4 (35 - 78)
Smokers (less than 10 cigarettes/die)	25 (22.7%)
Diseases in history
Controlled diabetes type 2	11 (10%)
Hypertension	42 (38.2%)