Table 1 Patient characteristics at time of enrolment.

From: Efficacy of ultrasound-guided myofascial hydrodissection technique in myofascial pain syndrome of upper trapezius: a randomized controlled trial

Characteristic

UMHT (n = 20)

TPI (n = 21)

p value a

Age (years)

41.38 ± 8.7

35.2 ± 7.2

0.85

Male/female

6 (30%)/14 (70%)

5 (24%)/16 (76%)

0.65

BMI (kg/m²)

23.6 (22.8–24.5)

21.5 (23.9–25.9)

0.21

Exercises habits

6 (30%)

8 (38%)

0.58

Employment status

Employed/retired

15 (75%)/5 (25%)

14 (67%)/7 (33%)

0.34

Previous treatment

Medication

16 (80%)

15 (71%)

0.49

Physical therapy

4 (20%)

6 (29%)

0.41

Disease course (years)

2.0 (1.0–3.0)

1.5 (0.8–2.5)

0.20

Affected side

Left/right

8 (40%)/12 (60%)

13 (62%)/8 (38%)

0.17

  1. NOTE. Data are presented as mean ± SD, median and interquartile range (Q1- Q3) or number (%).
  2. Abbreviation: UMHT, ultrasound-guided myofascial hydrodissection technique; TPI, trigger point injection; BMI: body mass index.
  3. aGroup differences were analyzed via using either a Mann-Whitney U test or Chi-square2 test; statistical significance level was set at p value < 0.05.
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