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Table 3 Comparison of shoulder joint function between the two groups (\( \overline{x}\pm s \))

From: Comparative efficacy and safety profile for the treatment of humeral bone cysts in children: curettage and mixed bone grafting either with or without elastic intramedullary nailing

Group n Before operation 1 month after operation 3 months after operation 6 months after operation 9 months after operation 12 months after operation 16 months after operation
Elastic nailing group 25 66.9 ± 8.7 78.9 ± 7.9 80.3 ± 8.0 81.3 ± 8.3 85.0 ± 8.0 85.9 ± 8.9 86.0 ± 9.0
Control group 23 67.0 ± 8.1 74.8 ± 8.0 75.7 ± 7.4 75.8 ± 7.6 76.3 ± 7.9 79.6 ± 8.0 80.1 ± 10.2
t value   − 0.037 2.159 2.315 2.355 3.769 3.786 4.282
P value   0.971 0.037 0.025 0.022 < 0.001 < 0.001 < 0.001
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