Table 3 Mean difference of all locations between the digital and analogue algometer and limits of agreement in people with healthy participants and people with migraine
|  | Healthy participants (n = 26) | People with migraine (n = 29) | ||||||
|---|---|---|---|---|---|---|---|---|
Location | Mean difference in kPa (SD) | P value | Limits of agreement | Mean difference in kPa (SD) | P value | Limits of agreement | ||
Upper limit | Lower Limit | Upper limit | Lower Limit | |||||
Dominant side | ||||||||
 Temporalis muscle | −6.3 (10.8) | 0.007 | 14.9 | −27.9 | − 6.8 (25.3) | 0.16 | 42.8 | −56.8 |
 C1 paraspinal muscle | −3.4 (9.6) | 0.8 | 15.4 | −21.6 | −8.5 (20.8) | 0.04 | 32.3 | −49.3 |
 Trapezius muscle | −3.9 (12.4) | 0.12 | 20.4 | −28.2 | −15.6 (28.6) | 0.007 | 40.5 | −71.7 |
 Ext. carpi radialis m. | −4.0 (11.8) | 0.09 | 19.1 | −27.1 | −4.4 (33.4) | 0.49 | 61.1 | −69.9 |
 Tibialis anterior muscle | 2.3 (14) | 0.4 | 29.7 | −25.1 | −12.4 (27) | 0.02 | 40.5 | −65.3 |
Non dominant side | ||||||||
 Temporalis muscle | −5.7 (9.4) | 0.005 | 12.7 | −24.1 | −3.5 (15.6) | 0.24 | 27.1 | −34.1 |
 C1 paraspinal muscle | −5.8 (10.6) | 0.009 | 14.9 | −26.6 | −11.7 (21.9) | 0.008 | 31.2 | −54.6 |
 Trapezius muscle | −6.3 (12.2) | 0.14 | 17.6 | −30.2 | −18.3 (29.6) | 0.003 | 39.7 | −76.3 |
 Ext. carpi radialis m. | −4.4 (11) | 0.05 | 17.2 | −25.9 | −16.2 (32.8) | 0.01 | 48.1 | −80.5 |
 Tibialis anterior muscle | −2 (11.2) | 0.36 | 19.9 | −23.9 | −11.6 (28.6) | 0.04 | 44.5 | −67.7 |