From: Tooth loss and oral health-related quality of life: a systematic review and meta-analysis

Comparison | Summary effect | 95% CI | p-value for heterogeneity test | Model used |
---|---|---|---|---|

[25, 43]
Meta analysis 1Continuous data (difference in mean OHIP total scores)
Total n = 12,965
Reference group: 25-32 teeth
| ||||

1-8 teeth | 3.37 | 1.37-5.38 | <0.001 | random effect |

9-16 teeth | 3.08 | 1.37-4.80 | <0.001 | random effect |

17-20 teeth | 1.89 | -0.03-3.82 | <0.001 | random effect |

21-24 teeth | 1.05 | 0.07-2.02 | <0.001 | random effect |

[25, 26]
Meta analysis 2Dichotomized data (Odds ratio for having an OHIP impact)
Total n = 6821
Reference group: complete dentition or ≥ 25 teeth
| ||||

Incomplete or < 25 teeth | 3.45 | 2.93-4.05 | 0.975 | fixed effect |

[5, 24, 45]
Meta analysis 3Dichotomized data (Odds ratio for having an OIDP impact)
Total n = 2204
Reference group ≥ 21 teeth
| ||||

≤ 10 teeth | 2.01 | 1.43-2.83 | 0.962 | fixed effect |

>10 and <21 teeth | 1.63 | 1.23-2.17 | 0.794 | fixed effect |

[5, 45]
Meta analysis 4Dichotomized data (Odds ratio for having an OIDP impact)
Total n = 1184
Reference groups 9-16 NOPs/4-8 POPs/no UAS
| ||||

0-8 NOPs | 1.99 | 1.39-2.86 | 0.279 | fixed effect |

0-3 POPs | 1.66 | 1.16-2.37 | 0.808 | fixed effect |

UAS | 1.82 | 0.68-4.87 | 0.025 | random effect |

[38, 46]
Meta analysis 5Continuous data (difference in mean GOHAI total scores)
Total n = 435
Reference group: 20-32 teeth
| ||||

0-19 teeth | 9.78 | 7.38-12.18 | 0.157 | fixed effect |

[31, 35]
Meta analysis 6Continuous data (difference in mean OHQoL-UK total scores)
Total n = 2738
Reference group: 20-32 teeth
| ||||

0-19 teeth | 4.56 | 3.67-5.44 | 0.912 | fixed effect |