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Table 3 Clinical outcomes between two groups

From: Comparison between repeat anterior and posterior decompression and fusion in the treatment of two-level symptomatic adjacent segment disease after anterior cervical arthrodesis

Variables ACDF group PDF group p values
No. of patients 18 14  
Pre JOA 11.1 ± 1.6 9.6 ± 1.8 0.030
Final FU JOA 14.3 ± 1.4* 13.6 ± 1.5* 0.192
RR (%) 57.7 ± 12.6 56.5 ± 12.1 0.787
Pre NDI 32.89 ± 8.07 34.07 ± 7.98 0.682
Final FU NDI 16.67 ± 5.09* 22.21 ± 6.61* 0.012
Pre arm VAS 6.3 ± 1.7 4.9 ± 1.6 0.024
Final FU arm VAS 2.4 ± 1.5* 2.6 ± 1.5* 0.732
Pre neck VAS 5.3 ± 1.7 5.7 ± 2.2 0.535
Final FU neck VAS 2.4 ± 1.5* 3.9 ± 2.0* 0.019
  1. Pre pre-operative, FU follow-up
  2. *p < 0.05, compared with the pre-operative data