Table 1.

History data of test subjects in the control group (group N) and the group of patients with rheumatoid arthritis (group RA).

Anamnesis	Group N	Group RA
Sample size (n individuals)	30	30
Did you suffer an accident or a blow to the head/neck region?	33%	27%
Do/did you feel pain or discomfort in/on
(i) Head (general)?	3%	40%
(ii) Temples?	0%	20%
(iii) Ears/TMJ region?	13%	30%
(iv) Neck?	20%	63%
(v) Shoulders?	7%	73%
(vi) Other joints?	7%	97%
Does/did your discomfort affect your sense of well-being or performance?	7%	83%
Are/were chewing, mouth opening, mouth closing, and/or other mandibular movements impaired or painful?	0%	70%
TMJ sounds (left/right)?	27%	40%