did not reach statistical significancep = 0.2391
The pooled ratio of HRs for PFS between the Asian and non‐Asian subgroups ( m = 12) did not reach statistical significance (HR: 0.93; 95% CI: 0.82–1.07; p = 0.2391; chi‐square Q test χ 2 = 7.37, p = 0.77; I 2 ≈ 0%; Figure 3 ).