| Similarity | Rank | |
|---|---|---|
| incidence_of | 0.820 | 38323 |
| the_prevalence_of | 0.769 | 18710 |
| incidence | 0.751 | 14542 |
| prevalence_of | 0.722 | 38402 |
| prevalence | 0.714 | 25058 |
| the_occurrence_of | 0.705 | 15864 |
| prevalence_and | 0.698 | 42083 |
| risk_factor_for | 0.681 | 45665 |
| and_severity_of | 0.668 | 54466 |
| the_frequency_of | 0.659 | 10668 |
| increase_risk_of | 0.630 | 57880 |
| the_number_of_case | 0.621 | 63472 |
| mortality_rate | 0.618 | 30260 |
| infection_rate | 0.616 | 95541 |
| the_most_common_cause_of | 0.611 | 90346 |
| factor_associate_with | 0.611 | 73775 |
| occurrence_of | 0.609 | 29544 |
| increase_rate_of | 0.607 | 88414 |
| epidemiology_of | 0.606 | 42103 |
| morbidity | 0.605 | 50167 |
| prevention_of | 0.604 | 10688 |
| the_association_between | 0.600 | 30170 |
| in_the_general_population | 0.592 | 62893 |
| morbidity_and_mortality | 0.591 | 95600 |
| risk_factor | 0.582 | 13772 |