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Table 3 Comparison of the perceived level of pain in the two groups and the time interval between the treatment onset and initiation of pain

From: Tooth alignment and pain experience with A-NiTi versus Cu-NiTi: a randomized clinical trial

 

Number of cases

Study group

P value*

Test statistic

A-NiTi mean (SD)

Cu-NiTi mean (SD)

Pain score

44

5.84 (2.04)

6.16 (2.23)

0.487

− 0.697

Time interval between treatment onset and pain initiation (hours)

43

5.45 (6.31)

6.14 (5.93)

0.603

− 0.521

  1. *One sample t test
  2. SD standard deviation