Table 4 Subgroup meta-analysis: role of PCI on survival (11 studies evaluable)
n studies | HR | |
|---|---|---|
Initial PCI | 5 | 1.00 (0.91 - 1.09) |
Limited disease | 5 | 0.98 (0.90 - 1.07) |
All stages diseases | 6 | 0.84 (0.72 - 0.98) |
Brain CT scan for staging | 4 | 0.82 (0.68 - 0.98) |
Brain CT scan before randomisation | 2 | 0.78 (0.62 - 0.98) |
No CT scan before randomisation | 2 | 0.96 (0.88 - 1.04) |