Research Article
Mathematical Methods for Assessing the Prognostic of Fixed Partial Dentures Resulting from Evaluating a Group of Dental Patients in Romania
Table 11
Probability of failure in percentage due to each of the 9 causes (c1–c9) over time.
| Time
(years) | % of failure | c1 | c2 | c3 | c4 | c5 | c6 | c7 | c8 | c9 |
| |
0.5 | 1.88 | 0.49% | 0.26% | 0.48% | 0.04% | 0.07% | 0.25% | 0.12% | 0.16% | 0.11% | | 1 | 3.45 | 0.91% | 0.48% | 0.88% | 0.08% | 0.13% | 0.45% | 0.23% | 0.30% | 0.20% | | 1.5 | 4.92 | 1.29% | 0.68% | 1.26% | 0.11% | 0.18% | 0.65% | 0.32% | 0.43% | 0.29% | | 2 | 6.33 | 1.66% | 0.88% | 1.62% | 0.14% | 0.23% | 0.83% | 0.42% | 0.55% | 0.37% | | 2.5 | 7.7 | 2.02% | 1.07% | 1.97% | 0.17% | 0.28% | 1.01% | 0.51% | 0.67% | 0.45% | | 3 | 9.03 | 2.37% | 1.25% | 2.31% | 0.20% | 0.33% | 1.19% | 0.59% | 0.79% | 0.53% | | 3.5 | 10.34 | 2.72% | 1.43% | 2.64% | 0.23% | 0.38% | 1.36% | 0.68% | 0.91% | 0.60% | | 4 | 11.63 | 3.06% | 1.61% | 2.97% | 0.25% | 0.42% | 1.53% | 0.76% | 1.02% | 0.68% | | 4.5 | 12.89 | 3.39% | 1.79% | 3.29% | 0.28% | 0.47% | 1.69% | 0.85% | 1.13% | 0.75% | | 5 | 14.14 | 3.72% | 1.96% | 3.61% | 0.31% | 0.52% | 1.86% | 0.93% | 1.24% | 0.83% | | 5.5 | 15.37 | 4.04% | 2.13% | 3.93% | 0.34% | 0.56% | 2.02% | 1.01% | 1.35% | 0.90% | | 6 | 16.59 | 4.36% | 2.30% | 4.24% | 0.36% | 0.61% | 2.18% | 1.09% | 1.45% | 0.97% | | 6.5 | 17.79 | 4.67% | 2.47% | 4.54% | 0.39% | 0.65% | 2.34% | 1.17% | 1.56% | 1.04% | | 7 | 18.99 | 4.99% | 2.63% | 4.85% | 0.42% | 0.69% | 2.50% | 1.25% | 1.66% | 1.11% | | 7.5 | 20.17 | 5.30% | 2.80% | 5.15% | 0.44% | 0.74% | 2.65% | 1.33% | 1.77% | 1.18% | | 8 | 21.35 | 5.61% | 2.96% | 5.45% | 0.47% | 0.78% | 2.81% | 1.40% | 1.87% | 1.25% |
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