Table 4 Axis II diagnoses of the 2 study groups (local myalgia vs. myofascial pain with referral)

GCPS version 2.0

 Low disability (GCPS 0–2)

91 (81.3%)

66 (79.5%)

 High disability (GCPS 3–4)

21 (18.8%)

17 (20.5%)

Interference score

 (Mean ± SD)

24.62 ± 30.25

30.52 ± 29.03

 Median (IQR)

10.00 (0.00–36.66)

20.00 (6.66–50.00)

PHQ- 9 (Depression)

 Normal

 ≤ 4

64 (56.1%)

35 (42.2%)

 Mild

5–9

32 (28.1%)

31 (37.3%)

 Moderate

10–14

9 (7.9%)

10 (12.0%)

 Moderately severe-severe

15 + 

9 (7.9%)

7 (8.4%)

PHQ—9 total score

 (Mean ± SD)

5.08 ± 5.40

6.61 ± 5.15

 Median (IQR)

2.00 (0.00–4.00)

6.00 (3.00–8.00)

GAD-7 (Generalized anxiety)

 Normal

 ≤ 4

78 (68.4%)

47 (56.6%)

 Mild

5–9

21 (18.4%)

25 (30.1%)

 Moderate

10–14

9 (7.9%)

7 (8.4%)

 Severe

15 + 

6 (5.3%)

4 (4.8%)

GAD- 7 total score

 (Mean ± SD)

3.91 ± 4.65

4.66 ± 4.71

 Median (IQR)

2.00 (0.00–6.00)

4.00 (1.00–7.00)

PHQ- 15 (Nonspecific physical symptoms)

 Normal

 ≤ 4

63 (55.3%)

30 (36.1%)

 Mild

5–9

34 (29.8%)

37 (44.6%)

 Moderate

10–14

12 (10.5%)

12 (14.5%)

 Severe

15 + 

5 (4.4%)

4 (4.8%)

PHQ- 15 total score

 (Mean ± SD)

4.73 ± 4.38

6.47 ± 4.24

 Median (IQR)

4.00 (1.00–7.00)

6.00 (4.00–9.00)