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. 2015 Mar 3;12(3):156–159. doi: 10.1016/j.jor.2015.01.007

Table 2.

Mean and standard deviations for outcome measures.

Variable M (SD)
VASa,b
 Preoperative 6.70 (2.41)
 Postoperative 2.54 (2.62)
ODIa,b
 Preoperative 45.51 (11.17)
 Postoperative 20.54 (17.75)
a

Significantly lower scores between Preoperative and Postoperative; p-value < 0.001.

b

Lower scores reflect better performance.