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. Author manuscript; available in PMC: 2018 Jul 25.
Published in final edited form as: Stroke. 2016 Apr 12;47(5):1389–1398. doi: 10.1161/STROKEAHA.115.012364

Table 4.

Imaging modalities obtained at baseline in trial patients (required imaging indicated with an asterisk*). The last column indicates the total number of imaging studies available for pooling.

Modality MR
CLEAN
EXTEND-IA ESCAPE SWIFT
PRIME
REVASCAT THERAPY Total
Noncontrast CT (NCCT) 499/500
(99.8%)*
70/70
(100%)*
313/315
(99.4%)*
163/195
(83.6%)*
206/206
(100%)*
108/108
(100%)*
1,359
Perfusion CT (PCT) 333/500
(66.6%)
175/500
(35%)
available
70/70
(100%)*
138/315
(43.8%)
139/195
(71.2%)
64/206
(31.1%)
40/108
(37.0%)
784
CT Angiography (CTA) 496/500
(99.2%)*
70/70
(100%)*
313/315
(99.4%)*
159/195
(81.5%)*
195/206
(94.7%)*
99/108
(91.7%)*
1,332
Diffusion-Weighted MR Imaging (DWI) 19/500
(3.8%)
none 2 /315
(0.006%)
34/195
(17.4%)*
11/206
(5.3%)*
3/108
(2.8%)
69
Perfusion-Weighted MR Imaging (PWI) none none none 34/195
(17.4%)*
5/206
(2.4%)
1/108
(0.9%)
40
MR Angiography (MRA) 2/500
(0.4%)
none 2 /315
(0.006%)
32/195
(16.4%)*
11/206
(5.3%)*
2/108
(1.9%)
49