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Table 4 Correlation among glycemic state of the patients, CSA and electrodiagnostic testing of the median nerve

From: The diagnostic value of ultrasonography in carpal tunnel syndrome: a comparison between diabetic and non-diabetic patients

 

CSA_D

CSA_W

Spearman’s

r

p

r

p

DML

0.304

<0.001**

0.379

<0.001**

CMAP

-0.132

0.043*

-0.265

<0.001**

MNCV

-0.050

0.447

-0.115

0.077

DSL

0.212

0.001**

0.334

<0.001**

SNAP

-0.187

0.005**

-0.311

<0.001**

SNCV_MP

-0.039

0.557

-0.151

0.023*

SNCV_W

-0.213

0.001**

-0.366

<0.001**

SNCV_D

0.137

0.039*

0.188

0.004**

FW

0.199

0.004**

0.158

0.022*

HbA1c

0.254

0.063

0.160

0.252

Duration of DM

0.063

0.712

0.032

0.853

  1. *Correlation is significant at the 0.05 level (2-tailed).
  2. **Correlation is significant at the 0.01 level (2-tailed).
  3. Abbreviations: CSA_D cross-section area at outlet of carpal tunnel, CSA_W cross-section area at the wrist crease, NCS nerve conduction study, NCV nerve conduction velocity, DML distal motor latency of median CMAP, CMAP amplitude of median CMAP, MNCV motor NCV of median CMAP, DSL distal sensory latency of median SNAP, SNAP amplitude of median SNAP, SNCV_MP sensory NCV when stimulating at the middle palms, SNCV_W sensory NCV when stimulating at the wrist, SNCV_D velocity difference (SNCV_MP - SNCV_W) of SNCV, FW median F wave.
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BMC Neurology

ISSN: 1471-2377

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