Table 2.

Comparisons of the results between groups

	Group		Significance test
	DBM	AIBG
	(n = 26)	(n = 21)	(p-value)
Fusion/Non-fusion (n)	21/5	18/3	0.72
Operating time (min)	284.89 ± 62.40	304.62 ± 61.64	0.28
Blood loss (ml, median (IQR))	700 (450,950)	1200 (725,1675)	0.02a
Hospital stay (days)	10.46 ± 7.77	11.33 ± 6.58	0.68
Implant loosening (n)	11	6	0.33

The continue data were compared with independent t test and the Mann-Whitney test while the categorical data were compared with Fisher’s exact test

DBM demineralized bone matrix, AIBG autogenous iliac bone graft, IOR interquartile range

^aStatistically significant. analysed by the Mann-Whitney test