Median and Ulnar Neuropathy Assessment in Parkinson’s Disease regarding Symptom Severity and Asymmetry

Table 4

Correspondence of mean indices of electrophysiologic parameters between initial and later symptomatic sides in PD patients.

	Initial symptomatic side	Later symptomatic side
mediandigit2latency (s)	2.76 ± 0.08	2.53 ± 0.42	0.523
mediandigit2velocity (s)	51.41 ± 3.89	49.50 ± 6.15	0.082
mediandigit2peakampl (s)	37.36 ± 16.38	35.16 ± 18.86	0.457
ulnardigit5wristlatency (s)	2.11 ± 0.23	2.13 ± 0.23	0.528
ulnardigit5wristvelocity (s)	53.55 ± 4.58	52.83 ± 4.65	0.295
ulnardigit5wristpeakampl (s)	29.18 ± 14.93	29.83 ± 14.40	0.777
ulnarlatency (m)	2.22 ± 0.32	2.22 ± 0.21	0.971
ulnarpeakampl (m)	23.79 ± 15.84	20.20 ± 14.28	0.052
medianlatency (m)	2.54 ± 0.29	2.53 ± 0.26	0.927
medianpeakampl (m)	20.11 ± 12.30	18.26 ± 11.70	0.289
medianAPBwristlatency (m)	3.63 ± 1.12	3.73 ± 1.11	0.475
medianAPBwristamp (m)	6.61 ± 2.52	6.00 ± 2.51	0.257
medianAPBelbowlatency (m)	7.32 ± 0.70	7.53 ± 1.17	0.636
medianAPBelbowampl (m)	6.05 ± 2.04	5.49 ± 2.24	0.406
medianAPBelbowvelocity (m)	57.66 ± 5.21	62.24 ± 23.79	0.252
ulnarADMwristlatency (m)	2.62 ± 0.32	2.61 ± 0.41	0.884
ulnarADMwristampl (m)	9.44 ± 1.73	12.44 ± 14.58	0.288
ulnarADMb.elbowlatency (m)	6.41 ± 0.65	6.42 ± 0.83	0.83
ulnarADMb.elbowampl (m)	8.83 ± 1.58	8.88 ± 1.88	0.882
ulnarADMb.elbowvelocity (m)	59.81 ± 6.51	59.46 ± 7.65	0.756
ulnarADMa.elbowlatency (m)	7.85 ± 0.80	7.88 ± 1	0.823
ulnarADMa.elbowampl (m)	8.52 ± 1.53	8.51 ± 1.84	0.982
ulnarADMa.elbowvelocity (m)	54.85 ± 5.97	55.24 ± 7.15	0.79

(s): sensorial; (m): motor; ampl: amplitude; APB: abductor pollicis brevis; ADM: adductor digiti minimi; b: before; a: after.