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Table 2 Visual analogue scale (VAS) 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
VAS score7.25 ± 1.022.73 ± 0.681.40 ± 0.440.63 ± 0.36
  1. VAS scores are presented as mean number ± standard deviation (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、Pa、Pc = 0.000<0.001, indicating significant differences were observed