The effects of postoperative malrotation alignment on outcomes of Gartland type III/IV paediatric supracondylar humeral fractures treated by close reduction and percutaneous K-wire fixation

Table 4 The MEPS of the injured elbow 6 months postoperatively in different groups

Subjects	Groups				P	P_i–j
Subjects	Group 1 (n = 210) LRP ≤ 10%	Group 2 (n = 41) 10% < LRP ≤ 20%	Group 3 (n = 26) 20% < LRP ≤ 30%	Group 4 (n = 18) LRP > 30%	P	P_1–2 = 0.033
MEPS (mean ± SD)	99.77 ± 1.86	98.29 ± 5.32	94.39 ± 11.16	84.82 ± 8.76	< 0.001	P_1–3 < 0.001
Levels of MEPS (n%)					< 0.001
Excellent	206 (98.10%)	38 (92.68%)	20 (76.92%)	4 (22.22%)	< 0.001	P_1–4 < 0.001
Good	4 (1.90%)	3 (7.32%)	2 (7.69%)	11 (61.11%)		P_2–3 = 0.049
Fair	0 (0%)	0 (0%)	4 (15.38%)	8 (16.67%)		P_2–4 < 0.001
Poor	0 (0%)	0 (0%)	0 (0%)	0 (0%)		P_3–4 < 0.001

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