Table 2. Proportion of stroke patients from CRCS-K hospitals and the estimated proportion of Korean population from 67 accredited stroke centers by each ground transport time threshold.

Hospital	Target population or region	≤ 30 min	≤ 60 min	≤ 90 min	≤ 120 min
From 12 CRCS-K centers	CRCS-K population	64.4%	88.7%	96.5%	99.2%
From 67 accredited stroke centers	Total land area of Korea	11.0%	54.8%	82.6%	92.9%
From 67 accredited stroke centers	Residential area of Korea	73.0%	93.2%	98.4%	99.6%

CRCS-K = The Clinical Research Collaboration for Stroke in Korea.