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Table 8 Examination of the impact of RBH, IL, SW, and iBH in the height from the implant tip to the bone integration site (BH)

From: Long-term radiographic assessment of maxillary sinus floor augmentation using beta-tricalcium phosphate: analysis by cone-beam computed tomography

  Coefficient Standard error 95 % CI P value
Time (months) −0.087 0.012 −0.112, −0.063 <0.001
RBH −0.016 0.118 −0.247, 0.215 0.891
Interaction terms (RBH × time) 0.007 0.002 0.002, 0.011 0.003*
Time (months) −0.016 0.011 −0.039, −0.006 0.157
IL 0.013 0.104 −0.190, 0.216 0.898
Interaction terms (IL × time) −0.007 0.002 −0.010, −0.003 0.001*
Time (months) −0.043 0.021 −0.085, −0.002 0.041
SW −0.076 0.073 −0.220, 0.067 0.295
Interaction terms (SW × time) −0.001 0.002 −0.005, 0.003 0.549
Time (months) −0.026 0.006 −0.038, −0.013 <0.001
iBH 0.625 1.293 0.372, 0.879 <0.001
Interaction terms (iBH × time) −0.005 0.003 −0.012, 0.001 0.080
  1. RBH residual bone height, IL implant length, SW width of sinus, iBH the height of bone around the tip of implant immediately after surgery. Analysis using generalized estimating equations (GEE: *p < 0.05)