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Table 1 Cross-sectional area (CSA) of the ulnar nerve in the asymptomatic ulnar nerve entrapment (UNE) group and the symptomatic UNE group compared to the control group

From: Role of dynamic sonography in ulnar nerve entrapment at elbow

 

Control group

Asymptomatic UNE group

P value

Symptomatic UNE group

P value

At elbow extension (cm2)

Range

0.03–0.1

0.03–0.21

0.16

0.04–0.23

0.001

Mean ± SD

0.06 ± 0.02

0.06 ± 0.04

0.10 ± 0.05

At elbow flexion (cm2)

Range

0.03–0.09

0.03–0.23

0.37

0.03–0.21

0.005

Mean ± SD

0.06 ± 0.02

0.07 ± 0.05

0.09 ± 0.05

Above elbow (cm2)

Range

0.03–0.08

0.03–0.06

0.23

0.04–0.19

0.12

Mean ± SD

0.05 ± 0.01

0.05 ± 0.01

0.06 ± 0.03

Below elbow (cm2)

Range

0.03–0.06

0.03–0.06

0.14

0.03–0.18

0.62

Mean ± SD

0.05 ± 0.01

0.05 ± 0.01

0.05 ± 0.03