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Table 1 Spearman rank order correlation between hernia area derived from clinical measurement and BioDex force in flexion at 30 and 60o/s, extension at 30 and 60o/s and isometric contraction

From: Giant ventral hernia—relationship between abdominal wall muscle strength and hernia area

Area derived from clinical measurements

n

Spearman R

t(N-2)

p-value

Flexion 30 o/s

52

−0.33

−2.50

0.016

Flexion 60 o/s

51

−0.30

−2.16

0.035

Extension 30 o/s

52

−0.34

−2.53

0.015

Extension 60 o/s

52

−0.31

−2.30

0.026

Isometric contraction

51

−0.32

−2.33

0.024

  1. One patient failed to fulfill the program during flexion 60o/s and isometric contraction