Table 2. Procedures’ characteristics.

	n	%
Site
Subclavian vein	89	94.7
Internal jugular vein	05	5.3
Side
Right	80	85.1
Left	14	14.9
Tunneling
Performed	11	11.7
Not performed	83	88.3
Intraoperative radioscopy
Performed	84	89.4
Not performed	4	4.3
No data	6	6.4
Postoperative X-ray
Performed	84	89.4
Not performed	2	2.1
No data	8	8.5