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Table 4 Baseline characteristics of the included study

From: The comparison of STA-MCA bypass and BMT for symptomatic internal carotid artery occlusion disease: a systematic review and meta-analysis of long-term outcome

Author Year Age, mean (SD) Bypass patency rates Male, no. (%) Diabetes mellitus, no. (%) Previous stroke, no. (%) Hypertension (%)
STA-MCA BMT STA-MCA BMT STA-MCA BMT STA-MCA BMT STA-MCA BMT
Tanahashi et al. 1985 53.7 (9) 55.8 (10) 98% 31 14 STA-MCA group (26); BMT group (15)
IEIBS 1985 56 56 96% 537 (81) 585 (82) 113 (17) 129 (18) 517 (78) 557 (78) 345 (52) 343 (48)
Powers et al. 2011 58 (9) 58 (9) 95% 69 (71) 61 (62) 21 (22) 23 (23) 44 (45) 35 (36) 76 (78) 77 (79)
Ogawa et al. 2012 63 (6) 60 (7) 98% 58 (56) 64 (62) 74 (71.8) 68 (66) 59 (57) 65 (63) 78 (74) 80 (77)
Grubb et al. 2013 61.1 (7.6) 57.8 (9.3) 97% 66 (71) 59 (60) 20 (22) 28 (29) 43 (46) 52 (53) 75 (81) 71 (72)
Ma et al. 2016 63 65 NA 48 (49.4) 52 (53) NA NA NA NA NA NA
Nahab et al. 2019 58.9 (7.6) 57.1 (9.6) 97% 31 (62) 35 (70) 10 (20) 14 (28) 33 (69) 27 (54) 40 (82) 43 (86)