Augmentative antirotational plating provided a significantly higher union rate than exchanging reamed nailing in treatment for femoral shaft aseptic atrophic nonunion - retrospective cohort study

Table 3 Comparison of perioperative parameters between groups

Parameter	AAP	ERN	P value
No. of patients	26	70
Union	23	45	0.021
Nonunion	3	25	0.021
Union time, mean ± SD, mo	7.57 ± 3.87	10.02 ± 5.37	0.056
Operating time, mean ± SD, min	128.38 ± 38.97	169.54 ± 60.50	0.0047
Intraoperative blood loss, mean ± SD, mL	250.00 ± 210.71	246.43 ± 234.57	0.95
Complications, n	0	0	0

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