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Table 1 Distribution of patients by US and NCS results in relation to results of surgical treatment

From: Effectiveness of ultrasonography and nerve conduction studies in the diagnosing of carpal tunnel syndrome: clinical trial on accuracy

Parameter Surgical treatment Total
No remission of paresthesia (CTS absent) Remission of paresthesia (CTS present)
N % n % N %
US 11 9.6 104 90.4 115 100.0
 CSA < 10 mm2 (CTS absent) 9 7.8 16 13.9 25 21.7
 CSA ≥10 mm2 (CTS present) 2 1.7 88 76.5 90 78.3
NCS 11 9.6 104 90.4 115 100.0
 SCV ≥50 m/s and DML < 4.2 ms (CTS absent) 10 8.7 8 7.0 18 15.7
 SCV < 50 m/s and DML ≥4.2 ms (CTS present) 1 0.9 96 83.5 97 84.3
  1. n = 115 patients
  2. Results are given as the total percent
  3. CSA cross sectional area, CTS carpal tunnel syndrome, NCS nerve conduction studies, DML distal motor latency, US ultrasonography, SCV sensory conduction velocity