Table 2.

Procedures performed in NVN coordinating centers and NVN partner hospitals

	coordinating centers	partner hospitals
I.v. thrombolysis, per center/hospital*	172 (83–370)	89 (3–331)
I.v. thrombolysis to stroke ratio (ischemic + hemorrhagic)**	12.6%	12.4%
I.v. thrombolysis to ischemic stroke ratio	16.1%
Thrombectomy, per center/hospital*	236 (103–537)	59 (1–211)
Thrombectomy to stroke ratio (ischemic + hemorrhagic)**	17.3%	4.1%
Thrombectomy to ischemic stroke ratio	22.1%
Carotid stenting, per center/hospital*	79 (24–190)	19 (1–98)
Carotid endarterectomy, per center/hospital*	76 (21–209)	54 (1–193)
Aneurysm coiling (acute), per center/hospital*	40 (21–133)	14 (2–27)
Aneurysm coiling (elective), per center/hospital*	63 (18–179)	19 (1–61)
Aneurysm clipping (acute), per center/hospital*	25 (6–89)	12 (1–43)
Aneurysm clipping (elective), per center/hospital*	26 (4–82)	6 (1–24)

^*data for partner hospitals performing ≧1 of the respective procedure(s) per year

^**data for all partner hospitals

Presented are mean values per year; numbers in parentheses represent range