evidencegaps
Primary study · included by 3 reviews

Is periodontitis associated with obstructive sleep apnea? A systematic review and meta-analysis.

Khodadadi 2022 · Khodadadi Nazanin, Khodadadi Mehrnaz, Zamani Mohammad · Journal of clinical and experimental dentistry · 2022

Included by

Association between sleep and periodontal disease in adults-an umbrella review.
Non-Cochrane · aetiology · 2026 · cited as Khodadadi 2022 · Reference 17; Table 1; Table 3
Outcome this study informsPooled effectEvidenceCertainty
Occurrence of periodontal disease
Obstructive sleep apnea vs No obstructive sleep apnea
OR 2.17 [1.66, 2.83]10 studies · 30994 participantsGRADE not reported
Occurrence of periodontal disease
Obstructive sleep apnea vs No obstructive sleep apnea
OR 1.65 [1.11, 2.46]4 studies · 29955 participantsGRADE not reported
Occurrence of periodontal disease
Obstructive sleep apnea vs No obstructive sleep apnea
OR 1.65 [1.21, 2.25]6 studies · 43342 participantsGRADE not reported
Occurrence of periodontal disease
Sleep-disordered breathing (polysomnography confirmed) vs No sleep-disordered breathing
OR 1.83 [1.52, 2.20]10 studies · 43296 participantsGRADE not reported
Periodontal disease and obstructive sleep apnea: an umbrella review.
Non-Cochrane · aetiology · 2026 · cited as Khodadadi 2022 · Supplementary Material 3; References

The review does not say which of its outcomes this study informs.

Association Between Obstructive Sleep Apnea and Periodontitis: A Systematic Umbrella Review.
Non-Cochrane · aetiology · 2026 · cited as Khodadadi 2022 · Table 1; References
Outcome this study informsPooled effectEvidenceCertainty
Periodontitis (association with OSA)
Obstructive sleep apnea (exposure) vs Participants without OSA (healthy periodontium)
OR 2.21 [1.90, 2.57]3 studiesGRADE not reported
Periodontitis (association with OSA)
Obstructive sleep apnea (exposure) vs Participants without OSA (healthy periodontium)
OR 1.78 [1.52, 2.09]2 studiesGRADE not reported
Periodontitis (association with OSA)
Obstructive sleep apnea (exposure) vs Participants without OSA (healthy periodontium)
OR 2.24 [1.92, 2.60]7 studiesGRADE not reported
Periodontitis (association with OSA)
Obstructive sleep apnea (exposure) vs Participants without OSA (healthy periodontium)
OR 1.96 [1.68, 2.29]7 studiesLow
Periodontitis (association with OSA)
Obstructive sleep apnea (exposure) vs Participants without OSA (healthy periodontium)
OR 2.06 [1.72, 2.47]5 studiesGRADE not reported
Periodontitis (association with OSA)
Obstructive sleep apnea (exposure) vs Participants without OSA (healthy periodontium)
OR 1.81 [1.52, 2.16]4 studiesGRADE not reported

3 including reviews in total.