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Table 4 Intragroup comparison (MMO, VAS pain)

From: Does intra-articular injection of tenoxicam after arthrocentesis heal outcomes of temporomandibular joint osteoarthritis? A randomized clinical trial

  

Friedman’s Two-Way Pairwise Comparison

 

Maximal Mouth Opening

VAS Pain Score

n

Mean difference

P value

Mean Difference

P value

Baseline–1 week

Group 1

14

-2.42

1.00

2.64

0.422

Group 2

16

-1.66

1.00

3.19

0.831

Baseline–4 weeks

Group 1

14

-5.89

0.015

4.78

0.004

Group 2

16

-5.78

0.139

5.56

0.004

Baseline–12 weeks

Group 1

14

-7.17

0.004

5.35

0.001

Group 2

16

-7.84

0.006

6.88

0.000

Baseline–24 weeks

Group 1

14

-8.89

0.000

5.85

0.000

Group 2

16

-11.50

0.000

7.44

0.000

  1. n: sample size, P: significance, VAS Visual Analog Scale
  2. MMO Maximal mouth opening