Table 1.
Characteristics of studies included in this meta-analysis.
| References | Study type |
Devices used for MT |
Age ≥80 | Age <80 | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Median age, years |
No. of female |
NIHSS (Mean) |
GTR minutes |
OTG, minutes |
Median age, years |
No. of female |
NIHSS (Mean) |
GTR minutes |
OTG, minutes |
|||
| Castonguay et al. (18) | M, R | Solitaire-FR | 85.2 | 51 | 18.9 | 38.2 | 358.9 | 62.2 | 127 | 17.9 | 31.4 | 364.7 |
| Parrilla et al. (25) | S, R | Solitaire-FR | NA | 22 | 9.7 | 74.5 | 298 | NA | 50 | 6.5 | 63 | 280 |
| Broussalis et al. (17) | S, R | Stent-retriever | 82.5 | 13 | 18 | 78 | 180 | 65.2 | 59 | 18 | 87 | 195 |
| Kleine et al. (28) | S, R | Stent-retriever | NA | NA | 15 | 58 | 199 | NA | NA | 15 | 66 | 206 |
| Cohen et al. (19) | S, R | Stent-retriever | 84.3 | 9 | 18.4 | 40 | 239.5 | 63.1 | 28 | 18.2 | 44.5 | 232.2 |
| Son et al. (23) | S, R | Stent retriever and FAST | 82 | 21 | 18 | 54 | 234 | 67.5 | 74 | 16 | 62 | 278.8 |
| Sallustio et al. (27) | S, R | Stent-retriever and aspiration catheter | 84.9 | 49 | 18 | 60 | 219.0 | 64.5 | 76 | 18 | 78 | 239.7 |
| Tajima et al. (24) | S, R | Stent retrievers and Penumbra reperfusion system | 84.7 | 14 | 22.4 | 56 | 251 | 69.6 | 12 | 20.2 | 65 | 207 |
| Azkune et al. (16) | S, R | Solitaire FR | 85.2 | 19 | 16.6 | NA | 206.3 | 67.7 | 14 | 13.6 | NA | 209.7 |
| Figueiredo et al. (20) | S, R | Stent-retriever and aspiration catheter | 84 | 22 | 17 | NA | NA | 65 | 56 | 17 | NA | NA |
| Imahori et al. (21) | S, R | Stent-retriever and aspiration catheter | 85 | 19 | 15 | NA | 205 | 73 | 18 | 15 | NA | 212 |
| Karhi et al. (22) | S, R | Aspiration catheter and stent-retriever | 84.0 | 29 | 14.1 | 68 | 221 | 63.2 | 47 | 12.7 | 32 | 306 |
| Koizumi et al. (26) | M, R | Stent-retriever and Penumbra reperfusion system | 84 | 41 | 19 | 50 | 199 | 70 | 67 | 17 | 50 | 207 |
| Alawieh et al. (14) | S, R | Aspiration first pass technique and Stent-retriever | 84.7 | 74 | 17.3 | NA | 413.9 | 69.7 | 103 | 15.8 | NA | 459.5 |
| Sharobeam et al. (12) | S, R | Stent-retriever and aspiration catheter | 85 | 39 | 18 | 35 | 270 | 64 | 51 | 17 | 31 | 274 |
| Alawieh et al. (15) | M, R | Aspiration catheter and stent-retriever | 85 | 230 | 17 | 45 | 369 | 62 | 474 | 16 | 48 | 399 |
S, single-center; M, multi-centers; R, retrospective; NA, no report; Y, year; GTR, groin puncture to recanalization time; OTG, onset to groin puncture time; MT, mechanical thrombectomy; NIHSS, National Institutes of Health Stroke Scale.