Table 2 Pain characteristics of the 2 study groups (local myalgia vs. myofascial pain with referral)

Temporal characteristics: In the last 30 days, which of the following best describes any pain in your jaw, temple, in the ear, or in front of the ear on either side?

 No pain

5 (4.5%)

2 (2.4%)

 Pain comes and goes

72 (64.9%)

52 (63.4%)

 Pain is always present

34 (30.6%)

28 (34.1%)

Pain duration: How many months ago did your pain in the jaw, temple, in the ear, or in front of the ear first begin?

 (Mean ± SD)

50.08 ± 73.01

61.03 ± 93.93

 Median (IQR)

18.00 (6.00–60.00)

24.00 (11.50–72.00)

Report of headache: In the last 30 days, have you had any headaches that included the temple areas of your head?

 No

53 (46.9%)

21 (25.6%)

 Yes

60 (53.1%)

61 (74.4%)

Headache duration: How many years or months ago did your temple headache first begin?

 (Mean ± SD)

62.73 ± 77.58

52.05 ± 98.93

 Median (IQR)

27.00 (4.25–96.00)

24.00 (3.00–60.00)

Characteristic Pain Intensity (CPI) (1–100)

 Mean ± SD)

54.27 ± 23.03

60.9 ± 21.74)

 Median (IQR)

53.33 (40.00–70.00)

66.67 (43.33–80.00)

Pain persistence: On how many days in the last 6 months have you had facial pain?

  (Mean ± SD)

80.16 ± 76.44

84.51 ± 69.89

 Median (IQR)

30.00 (13.25–180.00)

60.00 (20.00–180.00)

Pain Persistence Score:

 Low (≤ 89 days)

58 (60.4%)

39 (53.4%)

 High (≥ 90 days)

38 (39.6%)

34 (46.6%)