Table 4.

Multiple comparisons with “LOCAL” as control variable

Dependent variable	(I) Treatment	(J) Treatment	Mean difference (I‐J)a	SE	P value	95% Confidence interval
Fusion rate	rhBMP‐2	LOCAL	2.9074	0.5428	0.000	1.6161	4.1987
	AUTO	LOCAL	1.7084	0.4284	0.000	0.6893	2.7275
	ALLO	LOCAL	−0.7812	0.4932	0.291	−1.9546	0.3921
ODI change	rhBMP‐2	LOCAL	−2.9200	0.6460	0.000	−4.45	−1.39
	AUTO	LOCAL	−9.0720	0.4900	0.000	−10.24	−7.91
	ALLO	LOCAL	−14.6920	0.4830	0.000	−15.84	−13.54
VAS change	rhBMP‐2	LOCAL	0.8684	0.0767	0.000	0.6858	1.0509
	AUTO	LOCAL	0.2402	0.0557	0.000	0.1078	0.3726
	ALLO	LOCAL	0.5166	0.0539	0.000	0.3884	0.6449

^aDunnett t test (2‐sided).