Table 2 Clinical characteristics of total sample
From: Assessment of carpal tunnel syndrome via ultrasonography among hospital workers: a screening study
|  | Total examined nerves (number = 274) | |||
|---|---|---|---|---|
Number | Percent | |||
Median nerve CSA by US (mm2) (mean ± SD)/median | (9.08 ± 2.5)/9 | |||
BCTQ (mean ± SD)/median | (19.86 ± 3.42)/19 | |||
BCTQ | Normal (≤ 19) | 236 | 85.8 | |
Abnormal (> 19) | 39 | 14.2 | ||
Median nerve CSA by US | Normal (≤ 10 mm2) | 215 | 78.5 | |
Abnormal (> 10 mm2) | Mild (> 10 mm22) | 47 | 79.7 | |
Moderate (> 13 mm22) | 7 | 11.9 | ||
Severe (> 15 mm22) | 5 | 8.5 | ||
Total | 59 | 21.5 | ||