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Table 2 MPP measurement data

From: Metrics of perineal support (MOPS) study

MPP variable

Accoucheur

Mean ± SD

Median (interquartile range)

pa

Duration, s

Overall

13.6 ± 8.2

13.6 (8.8–15.4)

 

A 1

12.5 ± 5.7

12.5 (10.3–14.1)

.76

A 2

14.7 ± 10.4

14.1 (6.9–17.2)

Thumb mean force, N

Overall

26.7 ± 6.8

26.1 (20.3–31.8)

 

A 1

30.5 ± 6.5

30.0 (26.7–34.8)

.008

A 2

22.9 ± 4.8

21.9 (19.3–25.6)

Index finger mean force, N

Overall

25.5 ± 5.7

26.8 (22.0–29.6)

 

A 1

27.7 ± 5,7

28.3 (26.3–30.0)

.06

A 2

23.3 ± 5.0

22.3 (21.8–26.8)

Middle finger mean force, N

Overall

20.2 ± 7.8

20.5 (13.7–26.2)

 

A 1

18.1 ± 7.7

20.2 (11.9–24.2)

.23

A 2

22.2 ± 7.8

23.1 (14.5–27.8)

Thumb maximum force, N

Overall

34.3 ± 7.2

35.1 (28.6–38.7)

 

A 1

37.8 ± 7.0

38.1 (32.5–42.5)

.03

A 2

30.9 ± 5.7

29.8 (25.7–35.9)

Index finger maximum force, N

Overall

32.6 ± 6.6

33.1 (27.3–38.6)

 

A 1

34.6 ± 5.7

33.9 (32.3–38.4)

.17

A 2

30.4 ± 7.0

27.9 (25.5–37.1)

Middle finger maximum force, N

Overall

27.6 ± 10.1

27.0 (21.8–33.0)

 

A 1

23.9 ± 8.7

24.7 (18.6–31.5)

.20

A 2

31.2 ± 10.6

29.7 (24.4–39.0)

  1. A1 Accoucher 1, A2 Accoucher 2
  2. a non-parametric ANOVA (2-sample Kruskal-Wallis test) of medians