From: Risk of selection bias assessment in the NINDS rt-PA stroke study
Center ID | Time Stratum | Baseline Differences (% Placebo vs. % Alteplase) or (Placebo Mean vs. Alteplase Mean) | Allocation Difference (Δ) |
---|---|---|---|
3 | 0-90 Min | Loss of Grey White Differentiation (35% vs. 0%, p = .020) | Alteplase > Placebo (1) |
4 | 0-90 Min | Abnormal Baseline CT (62% vs. 32%, p = .020) | Alteplase > Placebo (5) |
4 | 91-180 Min | Hyperintense Artery Sign (24% vs. 3%, p = .025) | Placebo > Alteplase (3) |
Old Lesion Volume (3.1 ± 7.2 vs. .35 ± 1.6, p = .025) |