Table 4.

T2: Multivariate linear regression analysis to investigate the impact of all luting materials and storage conditions on the retention force.

Covariable	Regression Coefficient	Standard Error	T	p-Value	Lower 95%-CI	Upper 95%-CI
(Intercept)	285.62	12.13	23.55	<0.001	261.60	309.63
RelyX Temp Bond NE	−218.62	16.17	−13.52	<0.001	−250.54	−186.59
Meron	−47.57	16.17	−2.94	0.004	−79.59	−15.55
Fuji I	−12.59	16.17	−0.78	0.438	−44.62	19.43
Fuji II	−10.90	16.17	−0.67	0.502	−42.92	21.12
Fuji Plus	−28.16	16.17	−1.74	0.084	−60.19	3.86
Bifix Temp	−84.71	16.17	−5.24	<0.001	−116.73	−52.69
Ketac Cem Plus	−34.25	16.17	−2.12	0.036	−66.28	−2.23
Hydrothermal Stress	−29.59	8.09	−3.66	<0.001	−45.60	−13.58