Table 5.
Pearson correlation coefficient (eg, “rank similarity”) metric for medical topic popularity in 10 prominent languages.a
| Language | English | Spanish | Russian | Japanese | German | French | Portuguese | Italian | Polish | Chinese |
| English | 1 | .313 | .207 | .263 | .334 | .294 | .305 | .287 | .315 | .286 |
| Spanish |
|
1 | .423 | .412 | .555 | .584 | .668 | .598 | .564 | .471 |
| Russian |
|
|
1 | .332 | .425 | .408 | .410 | .426 | .439 | .372 |
| Japanese |
|
|
|
1 | .529 | .470 | .412 | .479 | .486 | .532 |
| German |
|
|
|
|
1 | .613 | .551 | .639 | .642 | .504 |
| French |
|
|
|
|
|
1 | .563 | .633 | .588 | .464 |
| Portuguese |
|
|
|
|
|
|
1 | .585 | .556 | .439 |
| Italian |
|
|
|
|
|
|
|
1 | .608 | .484 |
| Polish |
|
|
|
|
|
|
|
|
1 | .488 |
| Chinese |
|
|
|
|
|
|
|
|
|
1 |
a More informally: “how similar is the popularity ordering for topics between 2 languages?” The measure is symmetric.