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Table 2 Characteristics of patients participating in this study (n = 72)

From: High prevalence of shoulder girdle muscles with myofascial trigger points in patients with shoulder pain

Characteristics n (%) mean (SD; 95% CI); median
Age (years)   43.9 (12.3; 41.0 - 46.8); 45.0
Gender, female 50 (69.4)  
Duration of shoulder pain   
6-9 months 17 (23.6)  
9-12 months 14 (19.4)  
1-2 years 13 (18.0)  
2-5 years 14 (19.4)  
>5 years 14 (19.4)  
Recurrence rate   
1st episode 26 (36.1)  
2nd episode 19 (26.4)  
3rd > episode 27 (37.5)  
Hand dominance, left-handed 4 (5.6)  
Side of complaints right 48 (66.7)  
DASH-DLV (0 - 100)a   30.8 (14.1; 27.5 - 34.1); 28.3
VAS-P1 (0-100)b   30.0 (23.9; 27.0 - 39.9); 30.0
VAS-P2 (0-100)b   42.1 (17.7; 37.4 - 50.0); 40.0
VAS-P3 (0-100)b   56.6 (19.8; 51.2 - 61.9); 57.0
BDI-II-DLV (0 - 63)c   6.1 (6.0; 4.7 - 7.6); 5.00
0-13 68 (94.4)  
14-19 3 (4.3)  
20-28 0 (0.0)  
28-63 1 (1.4)d  
  1. a Higher Dash-DLV (Disabilities of the Arm, Shoulder and Hand outcome measure- Dutch Language Version) scores mean more disability with a maximum of 100 (range from 0 to 100)[59].
  2. b Higher VAS-P scores (Visual Analogue Scales for Pain) mean more pain, with a maximum of 100 (range from 0 to 100). VAS-P1 represents the current pain score, VAS-P2 represents the average pain score over the past seven days, and VAS-P3 represents the most severe pain score over the past seven days.
  3. c Higher scores on the BDI-II-DLV (Beck Depression Inventory-second edition- Dutch Language Version) mean more symptoms of depression. Clinical interpretation of scores is accomplished through criterion-referenced procedures utilizing the following interpretive ranges: 0-13 minimal depression; 14-19 mild depression; 20-28 moderate depression; and 29-63 severe depression[79].
  4. d One patient scored 45 points, which is indicative of major depression. This high score was due to a major event that happened on the day of inclusion in the study.