highly significantp<0.0009
The striking association with PD-1 inhibitors (RR: 24.84; 95% CI: 16.92-36.48), IFN-α2b (RR: 3.10; 95% CI: 1.53-6.30), and CTLA-4 inhibitors (RR: 32.042; 95% CI: 18.052-56.875) were all highly significant (p<0.0009), highlighting a consistent biological signal.