Table 1

Prevalence and clinical associations of reduction in jaw opening. Results are shown as No (%) unless indicated otherwise

Patients with pain and/or reduction in jaw opening (n=45)Patients without this problem (n=171)
*p<0.05;
**p<0.001. (χ2 test, exact Fisher’s test, or Mann-Withney U test, as needed);
† results not available for one patient;
‡results not available for two patients.
Mean age (years)75.675.1
Men13 (29)60 (35)
Acute onset of symptoms22 (49)60 (36)‡
Delay in diagnosis (days)58 (10–350)78 (4–360)
Headache (temple)43 (96)127 (74)*
Occipitalgia29 (64)73 (43)*
Temporal artery clinically abnormal34 (77)†81 (47)**
Jaw claudication27 (60)52 (30)**
Multiple jaw-mouth-throat symptoms31 (69)29 (17)**
Permanent visual loss7 (16)22 (13)
Rheumatic symptoms14 (31)68 (40)
Large artery involvement5 (11)31 (18)
Constitutional symptoms29 (66)†127 (74)
Positive result of temporal artery biopsy38 (84)138 (81)
Mean (SD) erythrocyte sedimentation rate (mm/1st h)88.8 (29.2)90.7 (27.5)
Mean (SD) C reactive protein (mg/l)99 (62)94 (59)
Mean (SD) haemoglobin (g/l)115 (23)113 (16)
Mean (SD) platelet value (g/l)444 (148)426 (146)