Table 5 Multiple linear regression analysis of the correlation between bone condition and implant placement accuracy parameters

Bone density

(B)

− 0.39

− 0.50*

− 0.46

− 1.05**

− 0.61*

− 0.79**

(I)

[− 0.84, 0.06]

[− 0.95, − 0.05]

[− 0.97, 0.04]

[− 1.55, − 0.55]

[− 1.08, − 0.15]

[− 1.28, − 0.30]

Bone width

(B)

− 0.50

− 0.55

− 0.68*

− 0.33

− 0.61*

− 0.65*

(I)

[− 1.04, 0.03]

[− 1.08, − 0.01]

[− 1.28, − 0.07]

[− 0.93, 0.27]

[− 1.16, − 0.05]

[− 1.23, − 0.06]

Cortical bone thickness

(B)

− 0.28

− 0.20

− 0.38

− 0.28

− 0.32

− 0.41

(I)

[− 0.77, 0.21]

[− 0.69, 0.29]

[− 0.94, 0.17]

[− 0.83, 0.27]

[− 0.83, 0.19]

[− 0.95, 0.13]

0.13

0.16

0.17

0.31

0.21

0.26

0.099

0.051

0.045

0.001

0.016

0.004