Number of cases = 71 | Univariate analysis | Multivariate analysis | ||||
---|---|---|---|---|---|---|
Graft shrinkage | Coeff | [95% CI] | p-value | Coeff | [95% CI] | p-value |
Age | − 0.02 | [− 0.44–0.40] | 0.942 | |||
Gender | ||||||
Female | 1 | |||||
Male | − 2.84 | [− 13.56–7.88] | 0.604 | |||
History of periodontitis | ||||||
Yes | 1 | |||||
No | − 2.19 | [− 12.2–7.82] | 0.669 | |||
Smoking | ||||||
Yes | 1 | |||||
No | − 11.98 | [− 21.88–− 2.08] | 0.018* | |||
Residual bone height | − 7.88 | [− 18.28–2.52] | 0.138 | |||
Sinus width | ||||||
Narrow | 1 | |||||
Wide | 6.64 | [− 12.09–25.37] | 0.487 | |||
Surgical technique | ||||||
Osteotomes | 1 | |||||
Burs | − 13.70 | [− 26.34–− 1.06] | 0.034* | |||
Piezoelectric tips | 11.30 | [− 16.62–39.23] | 0.428 | |||
Implant length | − 5.33 | [− 9.97– to 0.69] | 0.024* | − 3.60 | [− 6.55–0.65] | 0.018* |
Membrane perforation | ||||||
Absent | 1 | 1 | ||||
Present | 32.06 | [10.43–53.69] | 0.004* | 28.08 | [9.25–46.91] | 0.004* |
Implant insertion | ||||||
Immediate | 1 | 1 | ||||
Delayed | 36.67 | [24.66–48.68] | 0.000* | 25.77 | [17.56–33.98] | 0.000* |