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Table 5 Distribution of burning sensation, pain on opening according to groups in different time periods

From: Effectiveness of Pentoxifylline in the treatment of oral submucous fibrosis patients: a case-control study

SYMPTOMS

 

Group

N

Mean Rank

Sum of Ranks

U value

P value

BURNING SENSATION

Baseline

Pentoxyfylline

40

33.97

1087.00

  

Placebo

40

31.03

993.00

0.641

0.521

Total

80

    

1st Month

Pentoxyfylline

40

30.34

971.00

  

Placebo

40

34.66

1109.00

0.955

0.340

Total

80

    

2nd Month

Pentoxyfylline

40

27.98

895.50

  

Placebo

40

37.02

1184.50

2.073

0.038*

Total

80

    

3rd Month

Pentoxyfylline

40

26.94

862.00

  

Placebo

40

38.06

1218.00

2.673

0.008*

Total

80

    

Baseline

Pentoxyfylline

40

29.78

953.00

  

Placebo

40

35.22

1127.00

1.180

0.238

PAIN ON OPENING THE MOUTH

Total

80

    

1st Month

Pentoxyfylline

40

27.73

887.50

  

Placebo

40

37.27

1192.50

2.103

0.035*

Total

80

    

2nd Month

Pentoxyfylline

40

23.58

754.50

  

Placebo

40

41.42

1325.50

3.927

< 0.0001*

Total

80

    

3rd Month

Pentoxyfylline

40

22.66

725.00

  

Placebo

40

42.34

1355.00

4.320

< 0.0001*

Total

80

    
  1. The symbol *states that the P value for that group was statistically significant