Table 5.
Correlation coefficient in countries matched by median age
| Group | “Young” | “Medium” | “Old” | ||
|---|---|---|---|---|---|
| N | 50 | 75 | 61 | ||
| Min age | 15.1 | 23.1 | 36.2 | ||
| Country | Niger | Gabon | Trinidad and Tobago | ||
| Max age | 22.9 | 35.7 | 48.2 | ||
| Country | Guatemala | Armenia | Japan | ||
| BCG vs COVID cases | r | 0.095 | 0.065 | − 0.299 | |
| p | 0.514 | 0.58 | 0.0192 | * | |
| BCG vs COVID deaths | r | 0.082 | 0.12 | − 0.424 | |
| p | 0.57 | 0.304 | 0.0007 | *** | |
| BCG vs median Age | r | 0.201 | − 0.128 | 0.116 | |
| p | 0.161 | 0.274 | 0.373 | ||
210 countries/regions were propensity score matched for median age into three groups. 24 countries were excluded due to the lack of median age information. Pearson’s correlation coefficient (r) and p value (p) are shown
*, ***Indicate significant levels, p < 0.5, p < 0.001