Functional and Radiological Outcome Analysis of Osteoperiosteal Decortication Flap in Nonunion of Tibia

Table 4

Intergroup analysis of mean RUST and LEFS score.

		Group A NUSS (1–25) [n = 14]	Group B NUSS (25–50) [n = 10]	Group C NUSS (51–75) [n = 10]	value
RUST score	Pre-op	4.42 ± 0.64	4.4 ± 0.96	4.1 ± 0.31	F = 0.736
		4	4	4	= 0.487
	3 months	5.28 ± 1.06	5 ± 0.81	4 ± 0	F = 7.56
		5	5	4	= 0.0021
	6 months	7.78 ± 1.36	6.4 ± 1.57	4.5 ± 0.97	F = 17.78
		8	6	4	< 0.0001
	9 months	10.28 ± 0.91	8.9 ± 1.28	6.5 ± 2.17	F = 19.9
		10	8.5	6.5	< 0.0001
	12 months	12 ± 0	10.75 ± 1.25	11 ± 1.41	F = 5.207
		12	11	11.5	= 0.0112
LEFS score	Pre-op	5.14 ± 6.61	13.1 ± 9.84	9.2 ± 7.22	F = 3.033
		2	13.115.5	9	= 0.0626
	3 months	23.21 ± 6.61	18.9 ± 8.25	14.1 ± 5.30	F = 5.255
		20	20.5	15	= 0.0108
	6 months	46 ± 11.50	36.9 ± 12.35	24.3 ± 9.67	F = 28.08
		43.5	37.5		< 0.0001
	9 months	67.85 ± 7.11	59.8 ± 13.88	37.5 ± 10.27	F = 25.63
		69.5	62.5	35.5	< 0.0001
	12 months	85.5 ± 6.18	78.5 ± 2.88	79 ± 7.74	F = 5.256
		87.5	78.5	81	= 0.0108

Significant; ANOVA test.