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 2 Subgroup analysis of intramedullary nail arthrodesis studies

Outcome	Publications (n)	Cases	Long nail	Short nail	P
Re-infection	18	Total	77	345
		No	65	291	0.998
		Yes	12	54	0.998
Bone fusion	11	Total	77	112
		No	13	14	0.397
		Yes	64	98	0.397
Time to fusion (months ± SD)	8		5.62 ± 1.6	6.03 ± 0.6	0.626

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