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The top best models by ΔAICc < 4 fitted to VE against severe COVID-19 outcomes
| Model | Factors | AICc | ΔAICc | R2 (%) |
|---|---|---|---|---|
| 1 | Study region + VOC + population type + age range + vaccine doses + study design | 169.355 | 0.000 | 56.9 |
| 2 | Study region + population type + age range + vaccine doses + study design | 172.438 | 3.083 | 46.7 |
| 3 | Study region + vaccine brand + age range + vaccine doses + study design | 172.552 | 3.197 | 45.3 |
