Table 1.

Ultrasound scores in different age and sex groups. Age cut-offs were based on 25th percentile and 75th percentile of age in female and male patients with GCA.

CategoryScoreAUC in ROC analysisOptimal cut-off pointSensitivity (%)Specificity (%)
Women
Age <67
Halo count0.89727598
Halo Score0.883128390
OGUS0.9250.668385
Women
age 67-79
Halo count0.92718893
Halo Score0.873167293
OGUS0.9330.808098
Women
Age >79
Halo count0.93829294
Halo Score0.889169288
OGUS0.9280.839294
Men
Age <74
Halo count0.919110068
Halo Score0.877158874
OGUS0.9110.877597
Men
Age 74-81
Halo count0.97239488
Halo Score0.8372072100
OGUS0.9720.7610088
Men
Age >81
Halo count0.958410083
Halo Score0.885198883
OGUS0.8960.9010083