23 August 2021: Meta-Analysis
Periodontitis and Number of Teeth in the Risk of Coronary Heart Disease: An Updated Meta-Analysis
Shuting Gao 1BEF , Jinhui Tian 2A , Yiting Li 1CD , Tingjie Liu 1B , Ruiping Li 1C , Lan Yang 3FG* , Zhankui Xing 1AG*DOI: 10.12659/MSM.930112
Med Sci Monit 2021; 27:e930112
Table 1 Newcastle-Ottawa scale (NOS) evaluation results.
| Reference | Exposed representation | Ascertainment of exposure | Selection of the non-exposed | Outcome was not present at start of study | Comparability of chorts | Assessment of outcome | Sufficient follow-up time | Adequacy of follow up of cohorts | Total |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | 1 | 1 | 2 | 1 | 1 | 1 | 9 | |
| 1 | 1 | 1 | 1 | 2 | 1 | 1 | 1 | 9 | |
| 1 | 1 | 1 | 1 | 2 | 1 | 1 | 1 | 9 | |
| 1 | 1 | 1 | 1 | 2 | 1 | 1 | 0 | 8 | |
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 8 | |
| 0 | 1 | 1 | 1 | 2 | 1 | 1 | 0 | 7 | |
| 1 | 1 | 1 | 1 | 2 | 1 | 1 | 0 | 8 | |
| 0 | 0 | 1 | 1 | 2 | 1 | 1 | 1 | 7 | |
| 1 | 1 | 1 | 1 | 2 | 1 | 1 | 0 | 8 | |
| 0 | 1 | 1 | 1 | 2 | 1 | 1 | 1 | 8 | |
| 1 | 1 | 1 | 1 | 2 | 1 | 1 | 0 | 8 | |
| 0 | 1 | 1 | 1 | 2 | 1 | 1 | 1 | 8 | |
| The quality assessment values ranged from 0 to 9 stars. Each item scored 1 point, except for 1 item (comparability of cohorts), which could be given a maximum score of 2 points. | |||||||||