Skip to main content

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