Table 1.

Pearson's correlation test of residual bone height, sinus width, sinus angle, Schneiderian membrane thickness and graft bone resorption (n = 63).

Correlation analysis	GR
RBH	r	−0.229
	P value	0.071
SW	r	0.413
	P value	0.001∗∗
SA	r	0.376
	P value	0.002∗∗
MT	r	−0.024
	P value	0.855

RBH = residual bone height; SW = sinus width; SA = sinus angle; MT = Schneiderian membrane thickness; GR = graft bone resorption.

∗∗Correlation is significant at level 0.01 (two-tailed).