Table 3.

Peri- and post-operative findings.

	Total	Autologous	Bioactive	$p$ value
		bone graft	glass S53P4
Number of patients	83	32	51
Perioperative findings
Persistent bacteria intraoperative ($n$, %)	28 (34 %)	11 (34 %)	17 (33 %)	1.00
Change in pathogens ($n$, %)	11 (13 %)	9 (28 %)	2 (4 %)	0.001
Postoperative antibiotic treatment ($n$, %)	69 (83 %)	29 (91 %)	40 (78 %)	0.23
Postoperative findings
Follow-up (mean in months; median)	24.7 $\pm$ 11.8; 21	31.3 $\pm$ 12.7; 30	20.5 $\pm$ 9.1; 18	$<$ 0.001
Recurrence of infection ($n$, %)	21 (25 %)	6 (19 %)	15 (29 %)	0.31
Major and minor complications ($n$, %)	42 (51 %)	20 (63 %)	22 (43 %)	0.12
Bone fusion ($n$, %)	64 (77 %)	25 (78 %)	39 (77 %)	1.00
Full weight bearing ($n$, %)	78 (94 %)	31 (97 %)	47 (92 %)	0.65
Further operations ($n$, %)	48 (58 %)	24 (75 %)	24 (47 %)	0.014
Additional defect filling ($n$, %)	19 (23 %)	11 (34 %)	8 (16 %)	0.049
Amputation ($n$, %)	5 (6 %)	2 (6 %)	3 (6 %)	1.00