Algogenic substances and metabolic status in work-related Trapezius Myalgia: a multivariate explorative study

Table 1 Background data together with current pain intensity, work ability index and sick leave

Group variables	CON Mean ± SD	TM Mean ± SD	Statistics (p-value)
Age (years)	44 ± 9.1	44 ± 9.8	ns
Height (m)	1.68 ± 0.06	1.65 ± 0.06	ns
Weight (kg)	70 ± 10.6	72 ± 15.0	ns
Pain intensity (VAS, mm)	2.7 ± 3.5	27 ± 22	<0.001
Work ability index	39.1 ± 2.0	35.9 ± 3.5	0.01
Sick leave last year (days)	5 ± 8	8 ± 16	ns

CON denotes healthy controls) and TM denotes subjects with trapezius myalgia; these data has been reported earlier [25]. Furthest to the right is shown the statistical evaluation (p-values); ns denotes no significant group difference.

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