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Table 6 Comparison of mean values of right side bending within and between both groups

From: Efficacy of spinal extension exercise program versus muscle energy technique in treatment of chronic mechanical low back pain

 Group A (n = 20)Group B (n = 20)t valueP value
Pre-treatment29.10 ± 6.1628.40 ± 5.710.3730.711 (NS)
Post-treatment40.60 ± 7.4938.85 ± 4.850.8780.387 (NS)
Mean difference11.5010.45 
% change39.5236.80
t value− 13.373− 17.281
p value0.001 (S)0.001 (S)
  1. NS not significant, S significant