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Table 1 Japan Orthopedic Association (JOA) score results

From: Clinical application of large channel endoscopic decompression in posterior cervical spine disorders

Time1 day pre-op3 days post-opa3 months post-opb12 months post-opc
JOA score9.25 ± 1.3113.42 ± 0.9714.0 ± 0.8814.67 ± 0.78
  1. JOA scores are presented as mean number ± standard deviation (\( \overline{x} \) ±s, n = 32). “a b c” respectively represents the comparison between 3 days, 3 months and 12 months post-op and pre-op. Analysis using paired t-tests showed that Pa、Pb、Pc<0.001, indicating significant differences were observed