Effect of extracorporeal shock wave therapy on different severities of carpal tunnel syndrome

Table 3 comparison between pre- and post-neurophysiological parameters within mild, moderate, and severe groups

Neurophysiological parameters
Neurophysiological parameters			Mean ± SD	P value
Motor latency	mild	Pre	4.20 ± 0.14	0.0001^b
	mild	Post	3.78 ± 0.18	0.0001^b
	moderate	Pre	5.99 ± 0.37	0.0001^b
	moderate	Post	5.50 ± 0.49	0.0001^b
	Severe	Pre	8.23 ± 0.46	0.080
	Severe	Post	8.10 ± 0.52	0.080
Motor amplitude	Mild	Pre	4.51 ± 0.27	0.0001^b
	Mild	Post	5.24 ± 0.58	0.0001^b
	Moderate	Pre	4.27 ± 0.19	0.0001^b
	Moderate	Post	4.84 ± 0.31	0.0001^b
	Severe	Pre	1.43 ± 0.45	0.162
	Severe	Post	1.59 ± 0.65	0.162
Sensory peak latency	Mild	Pre	4.34 ± 0.19	0.0001^b
	Mild	Post	3.79 ± 0.28	0.0001^b
	moderate	Pre	5.70 ± 0.53	0.002^a
	moderate	Post	5.19 ± 0.64	0.002^a
	Severe	Pre	9.19 ± 2.27	0.003^a
	Severe	Post	8.55 ± 2.13	0.003^a
Sensory amplitude	Mild	Pre	18.45 ± 1.30	0.0001^b
	Mild	Post	21.38 ± 2.14	0.0001^b
	Moderate	Pre	12.74 ± 1.20	0.005^a
	Moderate	Post	14.49 ± 2.53	0.005^a
	Severe	Pre	2.76 ± 1.34	0.170
	Severe	Post	3.13 ± 1.87	0.170
Sensory CV	Mild	Pre	41.16 ± 3.85	0.002^a
	Mild	Post	45.94 ± 4.27	0.002^a
	Moderate	Pre	34.62 ± 2.15	0.004^a
	Moderate	Post	37.27 ± 3.31	0.004^a
	Severe	Pre	23.53 ± 10.33	0.006^a
	Severe	Post	25.14 ± 11.17	0.006^a