Table 1.

Patient demographics and outcome measure scores at baseline visit

	All patients(n=112)	GCA (n=56)	TAK (n=56)	p-value
Patient Demographics
Age	55 (34–71)	71 (63.3–76)	34 (22.3–43.8)	<0.01
Sex (% female)	79.5% (n=89)	78.5% (n=44)	80.4% (n=45)	1.00
Race (% Caucasian)	73.2% (n=82)	78.6% (n=44)	67.9% (n=38)	0.29
BMI	25.8 (22.4–29.4)	26.3 (24.8–29.2)	25.7 (21.6–29.5)	0.31
Prednisone Dose (mg/day)	5 (0–19.4)	5 (0–28.8)	2.5 (0–10)	0.05
Other immunosuppressant	54.5% (n=61)	44.6% (n=25)	64.3% (n=36)	0.06
Disease duration (years)	2.4 (0.7–8.3)	1.4 (0.5–2.9)	5.3 (1.6–15.2)	<0.01
Patient Reported Outcomes
Patient Global Assessment	4 (1–6)	4 (1–5.8)	4 (1.8–6.3)	0.58
MFI	14 (12–17)	14 (9–16)	15 (12–17.8)	0.10
BIPQ	41 (31–50)	41 (30–50)	43 (34.8–50)	0.24
SF-36 PCS	50.2 (43.5–57.3)	50 (42.7–54.3)	50.7 (44.1–57.9)	0.37
SF-36 MCS	50 (40.1–56.7)	51.1 (41.5–58.9)	48 (37.5–55.2)	0.15
Physician Reported Outcomes
Physician Global Assessment	0 (0–3)	0 (0–3)	0 (0–3)	0.60
Active Disease at Visit (Physician Global >0)	42% (n=47)	46.4% (n=26)	37.5% (n=21)	0.44
Laboratory Outcomes
CRP (mg/L)	4.1 (1.1–11)	5.0 (1–10.4)	3.75 (1.2–13.8)	0.83
ESR (mm/hour)	18 (7.3–29)	15.5 (7.3–31.8)	18 (7.5–29)	0.90
Imaging Outcomes
PETVAS	17 (13–24)	19 (14–26.5)	15 (9–19)	<0.01

Values are reported as median and interquartile range or as percentage and n-value. Mann-Whitney test was used to compare continuous variables. Two-tailed fisher exact test was used to compare categorical variables. Values may not be based on total denominations if there were missing responses.

GCA= giant cell arteritis; TAK= Takayasu’s arteritis; BMI= body mass index; MFI= Multi-dimensional fatigue inventory; BIPQ= brief illness perception questionnaire; SF-36 PCS= 36-item short form health survey physical component summary score; SF-36 MCS= 36-item short form health survey mental component summary score; CRP= c-reactive protein; ESR= erythrocyte sedimentation rate; PETVAS= qualitative score of vascular FDG-PET activity; mg= milligram; L=liters; mm=millimeter.