Table 1.
Baseline characteristics and clinical outcomes between the watershed and control group.
| Characteristics | Watershed infarct external (n = 93) n(%) |
Watershed infarct internal (n = 119) n(%) |
Control (n = 212) n(%) |
P Value |
|---|---|---|---|---|
| Age (in years), median | 66 [IQR: 56–75] | 64 [IQR: 56–76] | 64 [IQR: 55–76] | 0.9918a |
| Sex | ||||
| Female | 37 (40) | 54 (45) | 91 (43) | 0.717b |
| Male | 56 (60) | 65 (55) | 121 (57) | |
| Medical history | ||||
| Hypertension | 79 (85) | 97 (82) | 169 (80) | 0.558b |
| Diabetes | 37 (40) | 64 (54) | 109 (51) | 0.096b |
| Atrial fibrillation | 23 (25) | 22 (18) | 36 (17) | 0.279b |
| Hyperlipidemia | 29 (31) | 40 (34) | 68 (32) | 0.927b |
| CAD | 9 (10) | 6 (5) | 7 (3) | 0.069b |
| Malignancy | 9 (10) | 8 (7) | 14 (7) | 0.611b |
| Previous stroke | 13 (14) | 12 (10) | 34 (16) | 0.324b |
| Infection | 15 (16) | 17 (14) | 36 (17) | 0.814b |
| Smoking | 21 (23) | 34 (29) | 48 (23) | 0.439b |
| Alcohol intake | 9 (10) | 15 (13) | 37 (17) | 0.165b |
| TOAST classification | ||||
| Large artery atherosclerosis | 68 (73) | 89 (75) | 127 (59) | <0.0001*c |
| Cardio embolism | 21 (23) | 22 (18) | 378 (18) | |
| Small vessel disease | 3 (3) | 7 (6) | 45 (21) | |
| ESUS | 1 (1) | 1 (1) | 2 (1) | |
| NIHSS on admission, median | 5 [IQR: 2–11] | 4 [IQR: 2–7] | 4 [IQR: 2–8] | 0.2571a |
| Mild | 59 (63) | 94 (79) | 156 (74) | 0.004*b |
| Moderate | 19 (20) | 18 (15) | 21 (10) | |
| Severe | 15 (16) | 7 (6) | 35 (17) | |