Table 3 Subgroup meta-analysis: role of PCI on time to relapse in the brain assessing brain metastases incidence (10 studies evaluable)
n studies | HR | |
|---|---|---|
Initial PCI | 5 | 0.29 (0.12 - 0.71) |
Limited disease | 3 | 0.43 (0.28 - 0.64) |
All stages diseases | 7 | 0.50 (0.39 - 0.65) |
Brain CT scan for staging | 4 | 0.52 (0.40 - 0.68) |
Brain CT scan before randomisation | 2 | 0.44 (0.32 - 0.62) |
No CT scan before randomisation | 2 | 0.51 (0.38 - 0.63) |