Table 1.

Comparison of PASE, PEST, TOPAS, EARP, and CONTEST questionnaires.^*

Variables	PASE	p	ToPAS 2	p	PEST	p	EARP	p	CONTEST	p
Area under the ROC curve ± SE	0.86 ± 0.025	< 0.0001	0.88 ± 0.034	< 0.0001	0.92 ± 0.021	< 0.0001	0.89 ± 0.024	< 0.0001	0.87 ± 0.025	< 0.0001
Sensitivity, %	57.9		60.0		79.4		78.0		70.0
Specificity, %	93.0		93.2		94.9		91.8		91.0
Positive predictive value, %	89.9		84.4		94.4		91.3		89.3
Negative predictive value, %	67.4		79.1		80.9		79.6		74.0
Age ≤ 55 yrs	34.64 ± 18.21	0.06	5.07 ± 2.89	0.03	2.00 ± 1.82	0.29	2.99 ± 3.07	0.21	2.82 ± 2.34	0.43
Age > 55 yrs	39.37 ± 17.50		6.27 ± 2.83		2.26 ± 1.67		3.54 ± 3.10		3.02 ± 2.14
Male	35.88 ± 17.71	0.47	5.52 ± 2.90	0.60	2.11 ± 1.73	0.98	2.93 ± 3.01	0.19	3.02 ± 2.26	0.56
Female	37.74 ± 18.20		5.80 ± 2.93		2.14 ± 1.77		3.48 ± 3.13		2.85 ± 2.23
Education level		0.41		0.18		0.08		0.23		0.33
College or university	37.29 ± 18.07		5.82 ± 3.25		2.06 ± 1.84		3.28 ± 3.13		2.98 ± 2.42
12 yrs	37.67 ± 17.14		6.11 ± 2.67		2.44 ± 1.66		3.52 ± 2.83		3.07 ± 2.01
< 12 yrs	34.74 ± 19.73		4.77 ± 2.34		1.62 ± 1.58		2.62 ± 3.47		2.43 ± 2.19
Family history of arthritis	39.55 ± 20.10	0.50	5.45 ± 2.32	0.55	2.22 ± 1.74	0.69	3.63 ± 3.25	0.54	3.30 ± 2.27	0.04
Systemic therapy^**	49.92 ± 15.88	0.03	8.35 ± 1.61	0.51	3.72 ± 1.05	0.003	5.85 ± 2.37	0.01	4.47 ± 1.90	< 0.0001

↵* Using the cutoff points of 47 for PASE, 8 for ToPAS 2, 3 for PEST, 3 for EARP, and 4 for the CONTEST.
↵** Only for CASPAR-positive patients. Values are mean ± SE unless otherwise specified. ROC: receiver-operating characteristics (curves); SE: standard error; PASE: Psoriatic Arthritis Screening and Evaluation tool; PEST: the Psoriasis Epidemiology Screening Tool; ToPAS 2: the Toronto Psoriatic Arthritis Screen 2; EARP: Early Arthritis for Psoriatic Patients; CASPAR: ClASsification for Psoriatic ARthritis criteria.