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Table 4 Determinants of time to achieve HAQ-DI ≤ 0.5 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 HAQ-DI ≤ 0.5 achievement

Achievement of HAQ-DI ≤ 0.5 at W100

HR (95% CI)

OR (95% CI)

All covariates

Backward selection

All covariates

Backward selection

Age, years

0.98 (0.97–0.99)†

0.98 (0.97–0.99)†

0.98 (0.96–1.00)*

0.98 (0.96–1.00)*

Sex (male vs. female)

1.17 (0.90–1.52)

-

1.38 (0.90–2.13)

-

Race (White vs. Asian)

2.36 (0.58–9.66)

-

2.52 (0.50–12.69)

-

BMI, kg/m2

0.99 (0.97–1.02)

-

0.98 (0.95–1.02)

-

Guselkumab treatment (Q4W vs., Q8W)

1.01 (0.79–1.30)

-

0.98 (0.64–1.51)

-

HAQ-DI score (0-3)

0.32 (0.23–0.45)‡

0.26 (0.19–0.36)‡

0.16 (0.10–0.27)‡

0.13 (0.08–0.20)‡

PtGA VAS (0–10 cm)

-

-

-

-

Pt Pain VAS (0–10 cm)

-

-

-

-

FACIT-Fatigue§

1.01 (1.00–1.03)

-

1.02 (0.99–1.05)

-

History of depression

1.55 (0.64–3.77)

-

1.98 (0.35–11.30)

-

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

0.20 (0.03–1.42)

-

0.15 (0.03–0.88)*

0.16 (0.03–0.86)*

History of fibromyalgia (N = 3)

0.87 (0.68–1.13)

-

0.84 (0.54–1.30)

-

  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