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Table 4 Factors associated with time to diagnosis of vasculitis

From: Diagnostic delays in vasculitis and factors associated with time to diagnosis

Factors Coefficient (95% CI) p value
Patient-related factors
Time to travel to healthcare site > 1 h 2.6 (0.6–4.5)  < 0.01
Patient location (North America) 1.2 (− 2.0–3.8) 0.76
Single or divorced or widowed 1.1 (− 1.0–3.2) 0.29
Household income > $50,000/year − 1.5 (− 4.2–0.6) 0.18
Female − 1.5 (− 4.0–0.5) 0.15
Caucasian race − 1.5 (− 6.0–3.0) 0.54
Charlson score > 1 − 1.5 (− 3.9–0.4) 0.12
Employed − 2.4 (− 4.0–− 0.4) 0.02
Healthcare-related factors
Time to see a specialist > 1 month 2.4 (0.3–4.6) 0.03
Misdiagnosis 2.3 (0.1–4.5) 0.03
Laboratory studies ordered initially 0.2 (− 1.6–2.0) 0.80
Referral delays due to insurance − 0.3 (− 2.5–2.5) 0.98
Specialist involved initially − 1.3 (− 3.1–0.6) 0.18
  1. The table reports on the results of a multivariate analysis. A positive coefficient indicates a longer time to diagnosis and a negative one indicates a shorter time to diagnosis
  2. CI: confidence interval; $: US dollars