Table 6.
Tooth-supported FPDs: failure risk factors.
| Tooth-Supported FPDs Factors |
Prosthetic Success | Total | Pearson Chi-Squared | Failure Risk | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Yes | No | OR/ RR * |
95% CI OR/RR * |
|||||||
| N | % | N | % | N | % | |||||
| Location | MD | 26 | 68.4% | 12 | 31.6% | 38 | 100.0% | Chi2 = 0.043 | - | - |
| MX | 10 | 71.4% | 4 | 28.6% | 14 | 100.0% | p = 1.000 | |||
| Location | 1 | 2 | 50.0% | 2 | 50.0% | 4 | 100.0% | Chi2 = 1.276 | - | - |
| (quadrant) | 2 | 8 | 80.0% | 2 | 20.0% | 10 | 100.0% | p = 0.735 | ||
| 3 | 8 | 66.7% | 4 | 33.3% | 12 | 100.0% | ||||
| 4 | 18 | 69.2% | 8 | 30.8% | 26 | 100.0% | ||||
| Gender | F | 18 | 60.0% | 12 | 40.0% | 30 | 100.0% | Chi2 = 2.836 | - | - |
| M | 18 | 81.8% | 4 | 18.2% | 22 | 100.0% | p = 0.092 | |||
| Age | >60 | 20 | 83.3% | 4 | 16.7% | 24 | 100.0% | Chi2 = 4.161 | 0.267 | 0.072 ÷ 0.987 |
| group | 40–60 | 16 | 57.1% | 12 | 42.9% | 28 | 100.0% | p = 0.041 * | ||
| Smoker | Yes | 10 | 71.4% | 4 | 28.6% | 14 | 100.0% | Chi2 = 0.043 | - | - |
| (1–10/day) | No | 26 | 68.4% | 12 | 31.6% | 38 | 100.0% | p = 1.000 | ||
| Periodontal | Yes | 10 | 45.5% | 12 | 54.5% | 22 | 100.0% | Chi2 = 10.120 | 7.800 | 2.030 ÷ 29.975 |
| history | No | 26 | 86.7% | 4 | 13.3% | 30 | 100.0% | p = 0.001 ** | ||
| Oral hygiene (OHI-S) | 0–3.0 | 28 | 77.8% | 8 | 22.2% | 36 | 100.0% | Chi2 = 4.012 | - | - |
| 3.1–6.0 | 8 | 50.0% | 8 | 50.0% | 16 | 100.0% | p = 0.058 | |||
| Total | 36 | 69.2% | 16 | 30.8% | 52 | 100.0% | ||||
* Statistically significant, ** Highly Statistically significant.