Table 4.
Demographic and Clinical Data by US Diagnosis.
| Demographic or Parameter | Positive US | Negative US | Statistical significance |
|---|---|---|---|
| No. of pt. hands | 267 | 135 | |
| Mean age | 53.7 ± 0.8 | 49.6 ± 1.3 | P = .007 |
| Sex (male) | 73 (27%) | 39 (29%) | P = .74 |
| Height, in | 65.5 ± 0.2 | 65.3 ± 0.3 | P = .70 |
| BMI | 33.3 ± 0.5 | 29.7 ± 0.5 | P < .001 |
| CTS-6 score | 15.2 ± 0.3 | 13.1 ± 0.5 | P < .001 |
| US CSA, mm2 | 12.7 ± 0.2 | 7.5 ± 0.1 | P < .001 |
Note. BMI = body mass index; CTS = carpal tunnel syndrome; CSA = cross-sectional area; US = ultrasonography; Bold faces states that the significance is p < 0.001.