A cross-sectional study of the relation between symptoms and physical findings in computer operators

BMC Neurology

Table 2 Analysis by Kendall's rank correlation of the relation between contractions reflecting individual muscle function and the summarized pain in 96 participants

Muscle	Number of limbs with weakness (median pain score)
	Mouse operating limbs		Non-mouse operating limbs		Mouse operating limbs		Non-mouse operating limbs
	Grade 4+	Grade 4 or less	Grade 4+	Grade 4 or less	Kendall's tau-b	P	Kendall's tau-b	P
Pectoral	1 (3)	-	1 (0)	1 (0)	0.018	0.8544	-0.0553	0.5852
Deltoid	17 (3)	3 (5)	12 (1 1/2)	-	0.1731	0.0498	0.2092	0.0316
Latissimus	6 (5 1/2)	-	1 (0)	-	0.1023	0.2546	-0.0553	0.5852
Infraspinatus	9 (2)	-	13 (0)	-	-0.0439	0.6271	0.1100	0.2599
Biceps	14 (5 1/2)	2 (3 1/2)	7 (5)	-	0.1920	0.0303	0.3740	0.0001
Triceps	37 (3)	1 (5)	16 (0)	-	0.1500	0.0918	0.1969	0.0430
Radial flexor of wrist	18 (4)	2 (5)	8 (3)	-	0.1934	0.0297	0.2444	0.0120
Short radial extensor of wrist	18 (6)	2 (5)	13 (3)	-	0.2597	0.0033	0.2637	0.0067
Ulnar extensor of wrist	26 (5)	3 (4)	11 (3)	-	0.2045	0.0204	0.2348	0.0158
Short abductor of thumb	27 (3)	1 (5)	10 (4)	1 (11)	0.1475	0.0975	0.4044	0.0000
Abductor of small finger	6 (3)	-	3 (5)	-	0.0117	0.9020	0.2794	0.0041

The frequency and severity (as rated in Table 1) of muscle weakness is additionally illustrated. Significance level 0.05. Bonferroni adjustment 0.05/11 = 0.005

ISSN: 1471-2377