Table 1:

Baseline clinical and imaging characteristics, treatment, and predictors of 3-month mRS

All Patients (n = 123)mRS 0–2 (n = 68)mRS 3–6 (n = 55)P Value
Age (yr)69.8 ± 15.968.9 ± 16.970.8 ± 14.7.727a
Baseline NIHSS score11 (6–16)7 (5–11.5)16 (14–20.75)<.0001a
Female sex55 (44.7%)31 (45.6%)24 (43.6%).973b
Right hemisphere74 (47.2%)34 (50.0%)24 (43.6%).602b
Time to MRI3:57 ± 1:263:45 ± 1:294:12 ± 1:20.085c
DWI volume (mL)37.4 ± 47.716.3 ± 20.163.4 ± 58.2<.0001a
MTT volume (mL)129.5 ± 101.380.6 ± 78.3189.9 ± 94.1<.0001a
Tmax volume (mL)148.1 ± 114.989.5 ± 86.5217.3 ± 106.0<.0001a
Absolute mismatch (mL)92.7 ± 81.464.9 ± 69.1127.1 ± 82.9<.0001a
Relative mismatch8.7 ± 21.610.9 ± 27.86.0 ± 8.8.541a
Reperfusion therapyNone: 37 (30.1%)22 (32.4%)15 (25.4%)
IV-tPA: 61 (49.6%)36 (52.9%)25 (45.5%).200b
IAT ± IV-tPA: 25 (20.3%)10 (14.7%)15 (27.3%)
Occlusion levelICA: 24 (19.5%)6 (8.8%)18 (32.7%)
MCA M1: 39 (31.7%)15 (22.1%)24 (43.6%)<.0001b
MCA M2/3: 36 (29.3%)24 (35.3%)12 (21.8%)
None: 24 (19.5%)23 (33.8%)1 (1.8%)
  • Note:—IAT indicates intra-arterial thrombolysis.

  • a Mann-Whitney U test.

  • b χ2 test.

  • c Student t test.