Table 1.

Patients' characteristics

	Patients' number	Percentage (%)	Mean age ± SD (years)
Patients	547	100
Female	468	85.6	46.5 ± 12.2
Male	79	14.4	45.8 ± 12.1
Diabetes mellitus
Absent	453	82.8
Present	84	15.4
Unknown	10	1.8
Extremity studied electrophysiologic ally
Right	424	50.3
Left	419	49.7
Total	843	100

CTS: carpal tunnel syndrome, SD: standard deviation.