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Table 3 Determinants of time to achieve PtGA ≤ 20 mm and achievement at week 100 among guselkumab-randomized patients (N = 493)

From: Continuous improvement through differential trajectories of individual minimal disease activity criteria with guselkumab in active psoriatic arthritis: post hoc analysis of a phase 3, randomized, double-blind, placebo-controlled study

Independent baseline variables

Time to PtGA ≤ 20 mm achievement

Achievement of PtGA ≤ 20 mm at W100

HR (95% CI)

OR (95% CI)

All covariates

Backward selection

All covariates

Backward selection

Age, years

1.00 (0.99–1.01)

-

1.00 (0.98–1.02)

-

Sex (male vs. female)

1.12 (0.89–1.41)

-

1.35 (0.91–2.00)

-

Race (White vs. Asian)

0.85 (0.36–1.97)

-

0.99 (0.24–4.03)

-

BMI, kg/m2

0.99 (0.97–1.01)

-

0.98 (0.95–1.02)

-

Guselkumab treatment (Q4W vs. Q8W)

0.96 (0.76–1.21)

-

1.00 (0.68–1.48)

-

HAQ-DI score (0–3)

-

-

-

-

PtGA VAS (0–10 cm)

0.88 (0.82–0.95)†

0.87 (0.81–0.93)‡

0.85 (0.75–0.96)†

0.82 (0.74–0.92)†

Pt Pain VAS (0–10 cm)

-

-

-

-

FACIT-Fatigue§

1.01 (1.00–1.03)

-

1.02 (0.99–1.04)

-

History of depression (N = 8)

1.36 (0.56–3.33)

-

1.31 (0.30–5.84)

-

Suicidal ideation or non-suicidal self-injurious behaviour (N = 9)

1.06 (0.39–2.88)

-

0.57 (0.14–2.40)

-

History of fibromyalgia (N = 3)

0.71 (0.56–0.91)†

0.70 (0.55–0.88)†

0.59 (0.39–0.87)†

0.56 (0.38–0.83)†

  1. BMI = body mass index; CI = confidence interval; FACIT = Functional Assessment of Chronic Illness Therapy; HAQ-DI = Health Assessment Questionnaire-Disability Index; HR = hazard ratio; OR = odds ratio; Pt = patient; PtGA = patient global assessment; Q4W = every 4 weeks; Q8W = every 8 weeks; VAS = visual analog scale; W = week
  2. *p < 0.05; †p < 0.01; ‡p ≤ 0.0001
  3. §Higher score indicates less fatigue