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Case Control Study
©The Author(s) 2026.
World J Orthop. Feb 18, 2026; 17(2): 114984
Published online Feb 18, 2026. doi: 10.5312/wjo.v17.i2.114984
Table 3 Comparison of pain and activity ability at different time points after surgery between the two groups, mean ± SD
Item
Observation group (n = 230)
Control group (n = 236)
t
P value
VAS score (points)
Pre-operation7.8 ± 1.37.4 ± 1.52.0970.037
1 day post-operation4.4 ± 0.9a4.2 ± 1.1a1.4570.146
1 month post-operation2.3 ± 0.5a2.2 ± 0.4a1.6810.094
Activity ability score (points)
Pre-operation3.3 ± 0.83.4 ± 1.00.8070.420
1 day post-operation1.8 ± 0.5a1.7 ± 0.6a1.3280.185
1 month post-operation1.3 ± 0.4a1.2 ± 0.3a1.9420.053


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