Effects of wrist extension on median nerve and flexor tendon excursions in patients with carpal tunnel syndrome: a case control study

Table 5 Correlation matrix among the ratio of median nerve/flexor digitorum superficialis tendon excursion at neutral position, the results of the Boston carpal tunnel syndrome questionnaire and nerve conduction study of the median nerve

	Ratio of median nerve/flexor tendon excursion	Symptom severity scale	Functional status scale	Midpalm latency	Distal sensory latency	Distal motor latency
Ratio of median nerve/flexor tendon excursion	1.00
Symptom severity scale	-0.33^a	1.00
Functional status scale	-0.31^a	0.78^a	1.00
Midpalm latency	-0.32^a	0.68^a	0.53^a	1.00
Distal sensory latency	-0.36^a	0.65^a	0.54^a	0.79^a	1.00
Distal motor latency	-0.31^a	0.72^a	0.63^a	0.75^a	0.83^a	1.00

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