Table 1

Patient characteristics at baseline

IMPACT IIGO-REVEALCombined
Patient N130310440
Age (year)47.6 (11.8)46.4 (10.6)46.8 (11.0)
Female (%)39.242.341.4
Disease duration (years)8.5 (7.4)7.4 (7.4)7.8 (7.4)
Health Assessment QuestionnaireNA1.0 (0.6)1.0 (0.6)
Patient global assessment56.4 (22.3)53.1 (22.9)54.1 (22.8)
Evaluator global assessment55.8 (17.5)54.2 (17.8)54.7 (17.7)
Pain scores56.9 (22.9)55.7 (23.8)56.0 (23.5)
SF-36 Mental Component Score45.6 (11.9)45.5 (11.7)45.5 (11.7)
SF-36 Physical Component Score33.0 (9.24)32.5 (9.81)32.6 (9.64)
C-reactive protein (mg/L)2.1 (3.1)1.4 (1.6)1.6 (2.2)
Swollen joint count 286.48 (4.35)7.55 (5.55)7.23 (5.24)
Tender joint count 288.52 (5.77)10.5 (7.56)9.90 (7.13)
Swollen joint count 66*11.3 (7.11)13.4 (10.5)12.8 (9.66)
Tender joint count 68*19.7 (12.7)23.0 (16.6)22.0 (15.6)
Simplified Disease Activity Index28.4 (10.4)30.2 (13.8)29.7 (12.9)
Clinical Disease Activity Index26.3 (9.72)28.9 (13.6)28.1 (12.6)
Disease Activity Score 28 (CRP)4.27 (0.89)4.91 (1.07)4.73 (1.06)
DAPSA44.6 (17.9)48.8 (26.4)47.6 (24.3)
SvdH total radiographic score†30.6 (68.5)21.0 (33.3)23.8 (46.7)
SvdH erosion score†16.0 (38.7)12.6 (19.5)13.6 (26.7)
SvdH joint space narrowing score†14.5 (30.4)8.39 (14.7)10.2 (20.8)
  • *In addition to the joints assessed by the 28 joint count, the 68 joint count includes the assessment of the ankle, tarsus, MCP I–V of the feet, IP I of the feet, DIP II–V of the feet, DIP II–V of the hands, acromioclavicular joint, sternoclavicular joint, temporomandibular joint, the hip (only for tenderness).

  • †The SvdH Score for PsA is a modification of the RA score expanded by the DIPs of the hands, and includes the feature of malalignment, and thus ranges from 0 to 528.

  • DAPSA, Disease Activity index for PSoriatic Arthritis; DIP, distal interphalangeal joints; IP I, interphalangeal joint I; MCP, metacarpo-phalangeal joints; PsA, psoriatic arthritis; SvdH, Sharp/van der Heijde.