Keyword | CPC | PCC | Volume | Score | Length of keyword |
---|---|---|---|---|---|
standardization of spirometry 2019 update | 1.94 | 0.9 | 3699 | 100 | 41 |
standardization | 0.48 | 0.6 | 2254 | 48 | 15 |
of | 0.11 | 0.2 | 2500 | 100 | 2 |
spirometry | 0.29 | 0.7 | 2822 | 26 | 10 |
2019 | 1.86 | 0.7 | 8862 | 6 | 4 |
update | 1.66 | 0.1 | 2022 | 53 | 6 |