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Table 3 Average of postoperative trismus after 1 day of surgery (%)

From: Effects of platelet-rich fibrin and piezosurgery on impacted mandibular third molar surgery outcomes

Groups (G)

Trismus (n)

Min.

Max.

Median

Mean

SD

χ 2

p*

U**

p*

Traditional (G1)

10

8

59

23.80

25.61

16.65

  

17.0 (G1–G2)

0.011*

Traditional + PRF (G2)

10

0

38

4.50

9.03

12.50

10.88

0.012

19.0 (G1–G3)

0.019*

Piezo + PRF (G3)

10

0

39

6.50

9.30

11.50

  

47.0 (G1–G4)

0.853

Traditional (G4)

10

2

53

26.01

26.16

19.45

  

98.0 (G2–G3)

0.631

         

19.50 (G2–G4)

0.019*

         

23.5 (G3–G4)

0.043*

  1. Abbreviations: Anal Analgesics, Min minimum, Max maximum, SD standart deviation, χ2 Kruskal Wallis test result; *p ≤ 0.05, significance **Mann–Whitney U-test (Bonferroni-correction) results between groups