Re-infection rates and clinical outcomes following arthrodesis with intramedullary nail and external fixator for infected knee prosthesis: a systematic review and meta-analysis.

Table 3 Subgroup analysis of external fixator arthrodesis studies

Outcome	Publications (n)		Unilateral n = 66	Bipl/Circ n = 86	p	Pins n = 126	Wires n = 26	P
Re-infection	10	No	61	76	0.410	105^a	25	0.745
Re-infection	10	Yes	5	10	0.410	6^a	1	0.745
Bone fusion	10	No	11	13	0.795	23	1	0.066
Bone fusion	10	Yes	55	73	0.795	103	25	0.066
Time to fusion (months ± SD)	10		7.60 ± 1.6	6.77 ± 0.5	0.314	7.38 ± 1.3	6.45 ± 0.2	0.086

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