Table 2

Meta-analysis outcome data for overall tandem occlusions treated with mechanical thrombectomy, intracranial first versus extracranial first approaches, and stenting versus angioplasty-only approaches

OutcomeOverall rate  
(95  CI, I2)		Intracranial first
(95  CI, I2)		Extracranial first
(95  CI, I2)		PStenting
(95 CI, I2)		Angioplasty  
(95  CI, I2)		P
90-day mRS ≤ 0-247%
(42−51%  48%)		49%
(39−60%  31%)		53%
(44−61% 11%)		0.5849%
(42−56%  54%)		49%
(33−65%  50%)		0.39
90-day mortality15%
(11−19%  48%)		15%
(3−32%  41%)		8%
(3−15%  22%)		0.2810%
(6−15%  36%)		13%
(0−25%  43%)		0.27
TICI 2b/378%
(73−82%  57%)		79%
(60−93%  77%)		79%
(69−88%  52%)		0.9679%
(72−86%  59%)		63%
(49−96%  34%)		0.38
sICH8%
(6−11% 36%)		7%
(2−15%  0%)		8%
(3−15%  21%)		0.957%
(5−30%  24%)		10%
(1−19%  0%)		0.38
Procedure Related Complication9%
(4−16%  66%)		8%
(1−20%  53%)		20%
(9−21%  0%)		0.2513%
(5−22%  71%)		10%
(1−18%0%)		0.87
Technical Success Rate of Carotid Revascularization97%
(90−100%71%)		89%
(78−98%  0%)		97%
(86−100%  71%)		0.3196%
(84−100%  79%)		97%
(88−100%  0%)		0.89
TICI 336%
(26−48% 71%)		26%
(6−52%  72%)		18%
(2−40%  75%)		0.5527%
(17−39% 41%)		NANA
Any ICH23%
(15−32%  82%)		NA24%
(2−54%  82%)		NA19%
(8−33%  84%)		20%
(0−40%  60%)		0.39
Procedure Time in minutes79
(70−88% 93%)		78
(54−101%  90%)		75
(53−97%  95%)		0.6774%
(62−87%  95%)		73
(64−82% 80%)		0.98