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Table 4 Comparison between group A and B patients regarding number of trigger points

From: The reliability of using light therapy compared with LASER in pain reduction of temporomandibular disorders: a randomized controlled trial

Periods

Group A (trigger points) Mean ± SD

Group B (trigger points) Mean ± SD

P-valuea

Base line visit

2.75 ± 1.48

2.7 ± 1.59

0.928 ns

2nd visit

2.65 ± 1.30

2.3 ± 1.12

0.548 ns

3rd visit

2.65 ± 1.13

2.1 ± 1.20

0.177 ns

Follow-up visit

2.7 ± 1.38

1.9 ± 1.25

0.06 ns

  1. aBy Mann–Whitney U-test
  2. nsNon-significant