Table 5 Implant failure rates
Failure rate | n | Univariate analyses | Multivariate analyses | |||||
|---|---|---|---|---|---|---|---|---|
OR | (95% CI) | P | OR | (95% CI) | P | |||
Subjects | ||||||||
GAP | 5 | 5 | 2.400 | (1.495; 3.853) | 0.006 | 3.032 | 0.004 | |
GCP | 10 | 24 | (1.131; 8.123) | |||||
Female | 11 | 18 | 0.364 | (0.077; 1.716) | 0.194 | n.s. | ||
Male | 4 | 11 | ||||||
Implants | ||||||||
GAP | 16 | 26 | 5.964 | (2.378; 14.959) | 0.000 | 4.218 | (1.515; 1.746) | 0.006 |
GCP | 22 | 104 | ||||||
Female | 23 | 76 | 1.128 | (0.522; 2.439) | 0.758 | n.s. | ||
Male | 15 | 54 | ||||||
Superstructure | ||||||||
Single crown | 15 | 56 | 0.952 | (0.854; 1.062) | 0.368 | n.s. | ||
Fixed bridge | 5 | 11 | ||||||
Removable | 18 | 62 | ||||||
Bone quality | ||||||||
1 | 0 | 3 | 4.172 | (3.038; 5.731) | 0.000 | n.s. | ||
2 | 30 | 118 | ||||||
3 | 9 | 9 | ||||||
Degree of atrophy | ||||||||
A | 14 | 53 | 0.912 | (0.330; 2.496) | 0.156 | n.s. | ||
B | 17 | 42 | ||||||
C | 8 | 35 | ||||||
Topography | ||||||||
Ant. maxilla | 16 | 38 | 5.306 | (1.901; 14.810) | 0.000 | 3.241 | (1.105; 9.512) | 0.022 |
Post. maxilla | 17 | 46 | ||||||
Ant. mandible | 0 | 18 | ||||||
Post. mandible | 6 | 28 | ||||||
Implant length | ||||||||
≥ 10 mm | 9 | 82 | 0.485 | (0.211; 1.115) | 0.080 | n.s. | ||
< 10 mm | 6 | 48 | ||||||