Clinical trial and in-vitro study comparing the efficacy of treating bony lesions with allografts versus synthetic or highly-processed xenogeneic bone grafts

Table 2 Influence on complications

	Complication	N	No complication	N
Age	63.52 ± 18.44	33	58.47 ± 18.24	199	n.s.^a
Gender (f/m)	20/13	33	97/102	199	n.s.^b
ASA	2.24 ± 0.66	33	2.11 ± 0.72	199	n.s.^c
Defect size	10.98 ± 14.48	33	13.28 ± 17.95	196	n.s.^a
BMI	26.79 ± 5.41	33	26.45 ± 5.39	199	n.s.^a
Cancellous/Synthetic bone	17/16	33	100/99	199	n.s.^b
Smoker/Non-Smoker	10/23	33	49/150	199	n.s.^b
Insurance status W/C/P	23.5 %/13.4 %/12.2 %	32	76.5 %/86.6 %/87.8 %	198	n.s.^b
Healing rate	7 (21.2 %)	33	1 (0.5 %)	186	<0.0001^b
Consolidation time (months)	4.79 ± 4.39	26	3.36 ± 2.64	185	0.02^a

Overview about the comparing parameters in patients with or without a complication, ffemale, m male, ASA physical status according to the American Society of Anesthesiologists, BMI body mass index, n.s. not significant. W employers mutual insurance association, C compulsory health insurance fund, P private health insurance fund. ^a t-Test, ^b χ ²-Test, ^c U-Test (Mann und Whitney)

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