Table 1 Demographic, clinical, and sonographic characteristics of patients

Demographic

Sex (F/M)

(11/4)

(13/2)

0.33

Age (yrs.)

29.33±6.08

30±7.50

0.79

Symptom duration (month)

9.13±4.71

10.80±5.59

0.38

Clinical

Neck lateral flexion

29.63±2.99

31.97±4.03

0.08

Pain intensity

61.97±15.91

58.17±16.44

0.52

Pain pressure threshold

5.09±1.34

6.23±1.99

0.07

Neck disability index

21.60±9.74

30.16±9.44

0.02

Sonographic

TrP circumference

19.80±2.59

18.48±1.28

0.09

TrP longitudinal diameter

8.42±1.07

7.92±0.61

0.12

TrP transverse diameter

3.63±0.44

3.37±0.33

0.07

TrP stiffness

22.60±6.54

26.85±5.61

0.07

Blood circulation (RI)

0.74±0.09

0.67±0.11

0.06