Demographics and baseline characteristics
| Characteristic | 70 Years or Younger | Older Than 70 Years | P Value |
|---|---|---|---|
| No. | 135 | 134 | |
| Male | 49% (66/135) | 34% (45/134) | .013 |
| NIHSS (median) (IQR) | 18 (14–20) | 17 (13–20) | .359 |
| Prestroke mRS (categoric) | <.001 | ||
| 0 | 81% (95/118) | 63% (71/113) | |
| 1 | 15% (18/118) | 17% (19/113) | |
| 2 | 3% (3/118) | 19% (21/113) | |
| 3 | 2% (2/118) | 2% (2/113) | |
| Occluded vessel | .101 | ||
| ICA | 21% (28/130) | 7% (22/132) | |
| M1 | 70% (91/130) | 64% (84/132) | |
| M2 | 8% (10/130) | 18% (24/132) | |
| M3 | 1% (1/130) | 2% (2/132) | |
| Baseline ASPECTS (mean) | 8.1 ± 1.9 (133) | 8.4 ± 1.4 (133) | .207 |
| IV-tPA | 63% (77/123) | 58% (70/121) | .513 |
| Baseline serum glucose level (mean) | 127 ± 56 (130) | 126 ± 56 (129) | .865 |
| Atrial fibrillation | 27% (36/135) | 51% (68/134) | <.001 |
| Hypertension | 53% (72/135) | 74% (99/134) | <.001 |
| Coronary artery disease | 21% (29/135) | 25% (34/134) | .474 |
| Diabetes | 19% (25/135) | 19% (25/134) | 1 |
| Hyperlipidemia | 46% (62/135) | 39% (52/134) | .267 |
| Peripheral artery disease | 1% (2/135) | 0% (0/134) | .498 |
| Smoking | 24% (32/135) | 4% (5/134) | <.001 |
| Prior stroke or TIA | 13% (17/135) | 25% (34/134) | .008 |
Note:—IQR indicates interquartile range.