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Table 4 The changes in the ODI at the 12th month evaluation visit

From: Short-segment posterior fixation with index level screws versus long-segment posterior fixation for thoracolumbar spine fracture: angle of correction and pain

Paired sample test

 

Paired differences

t

df

Sig. (two-tailed)

Mean

Std. deviation

Std. error mean

95% confidence interval of the difference

Lower

Upper

short_segment

10.45455

9.38939

1.41550

7.59991

13.30918

7.386

43

.000

long_segment

9.78723

10.05190

1.46622

6.83589

12.73858

6.675

46

.000