Power Spectral Analyses of Index Finger Skin Blood Perfusion in Carpal Tunnel Syndrome and Diabetic Polyneuropathy

Table 1

The basic data of the recruited subjects.

	EPSN	DPN	CTS	CTS + DPN
Number of subjects	11	12	25	24
Gender (M/F)	2/9	7/5	5/20	8/16
Age (years old) (SD)	52.9±10.9	60.7±9.1	52.8±8.4	60.5±9.1
Duration of DM (year)		12.2±10.6		13.9±9.5
HbA1c (%)	5.7±0.7	7.9±1.4	6.0±0.5	8.4±2.0
Body weight (kg)	67.9±11.1	61.8±11.6	62.1±8.1	65.1±12.5
Body height (m)	1.61±0.07	1.62±0.06	1.58±0.06	1.58±0.08
Phalen sign (−/+/#)	8/3/0	8/3/1	18/5/2	19/3/2

^#: numbness appeared before the Phalen maneuver was performed.
EPSN: normal electrophysiological study.
DPN: diabetic polyneuropathy.
CTS: carpal tunnel syndrome.