Table 3

Items showing most remarkable differences between 23 rheumatologists with the diagnosis psoriatic arthritis and the other diagnosis

All rheumatologistsRheumatologists with correct diagnosisRheumatologists with other diagnosis
(n=23) (%)(n=14) (%)(n=9) (%)
Medical history
    Squamous scalp skin14 (61)11 (79)3 (33)
    Presence of psoriasis in relatives13 (57)9 (64)4 (44)
    Eye inflammation8 (35)4 (29)4 (44)
    Alcoholic consumption15 (65)8 (57)7 (78)
    Influence of complaints on daily activities15 (65)7 (50)8 (89)
Physical examination
    Inspection for skin abnormalities17 (74)12 (86)5 (56)
    Inspection for psoriasis on specific locations16 (70)12 (86)4 (44)
        Knees/elbows9 (39)8 (57)1 (11)
        Scalp13 (57)10 (71)3 (33)
        Umbilicus13 (57)11 (79)2 (22)
        Anal cleft7 (30)5 (36)2 (22)
        Knee
Management
    Ordered laboratory tests18 (78)12 (86)6 (67)
    Ordered radiology tests17 (74)12 (86)5 (56)
    Requested SP for follow-up18 (78)13 (93)5 (56)