Table 3.
Study heterogeneity | |||||||
---|---|---|---|---|---|---|---|
Outcomes | No. | OR [95% CI] | P | χ 2 | df | I 2 (%) | P-Q test |
Overall analysis | |||||||
90-day good outcome | 7 | 1.60 [1.23, 2.08] | 0.0005 | 4.39 | 6 | 0 | 0.62 |
Discharge good outcome | 1 | 1.22 [0.63, 2.37] | 0.55 | NA | NA | NA | NA |
90-day mortality | 6 | 3.07 [0.78, 12.13] | 0.11 | 14.11 | 4 | 72 | 0.007 |
By discharge mortality | 1 | 1.12 [0.22, 5.75] | 0.89 | NA | NA | NA | NA |
ICH | 4 | 2.06 [0.35, 12.04] | 0.42 | 7.38 | 3 | 59 | 0.06 |
sICH | 7 | 1.73 [0.98, 3.05] | 0.06 | 1.29 | 5 | 0 | 0.94 |
Subgroup analysis | |||||||
MRI | |||||||
90-day good outcome | 2 | 1.57 [1.15, 2.15] | 0.005 | 0.05 | 1 | 0 | 0.82 |
90-day mortality | 1 | 3.36 [0.91, 12.36] | 0.07 | NA | NA | NA | NA |
sICH | 1 | 1.63 [0.82, 3.27] | 0.17 | NA | NA | NA | NA |
CT | |||||||
90-day good outcome | 3 | 1.68 [0.93, 3.01] | 0.08 | 1.88 | 2 | 0 | 0.39 |
90-day mortality | 3 | 1.30 [0.17, 10.18] | 0.8 | 5.82 | 2 | 83 | 0.02 |
ICH | 3 | 1.41 [0.17, 11.49] | 0.75 | 6.46 | 2 | 69 | 0.04 |
sICH | 3 | 1.56 [0.50, 4.84] | 0.44 | 0.68 | 2 | 0 | 0.71 |
MRI+CT | |||||||
90-day good outcome | 2 | 1.47 [0.34, 6.30] | 0.61 | 2.44 | 1 | 59 | 0.12 |
90-day mortality | 2 | 16.25 [1.94, 136.20] | 0.01 | 0.05 | 1 | 0 | 0.82 |
ICH | 1 | 11.21 [0.42, 297.84] | 0.15 | NA | NA | NA | NA |
sICH | 2 | 3.72 [0.18, 75.14] | 0.39 | NA | NA | NA | NA |
OR: odds ratio; P: percentage; NA: not applicable; ICH: intracerebral hemorrhage; sICH: symptomatic ICH; MRI: magnetic resonance imaging; CT: computed tomography.