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. Author manuscript; available in PMC: 2014 Jan 8.
Published in final edited form as: Br J Dermatol. 2012 Apr;166(4):10.1111/j.1365-2133.2011.10774.x. doi: 10.1111/j.1365-2133.2011.10774.x

Table 5.

The association between psoriasis diagnosis age or duration time and risk of incident non-fatal CVD

Cases Person-years Age-adjusted
HR (95% CI)
Multivariate-adjusted
HR * (95% CI)
Psoriasis diagnosis age
No psoriasis 678 1,677,047 1.00 1.00
Diagnosis age <40 years 4 3,198 3.98 (1.48-10.70) 3.26 (1.21-8.75)
Diagnosis age ≥40 years 5 4,747 2.03 (0.84-4.91) 1.60 (0.66-3.88)
Psoriasis duration time
No psoriasis 678 1,677,047 1.00 1.00
Psoriasis <9 years 5 5,542 2.02 (0.84-4.89) 1.64 (0.68-3.96)
Psoriasis ≥9 years 4 2,404 4.04 (1.51-10.83) 3.09 (1.15-8.29)
*

Simultaneously adjusted for age, body mass index (underweight <18.5, normal weight 18.5-24.9, overweight 25-29.9, and obesity ≥40 kg/m2), smoking status (never, past, current smoking with 1-14, 15-24 or ≥25 cigarettes/day), alcohol intake (no, <5.0, 5.0-9.9 or ≥10.0 g/d), physical activity (<3.0, 3.0-8.9, 9.0-17.9, 18.0-26.9 or ≥27.0 metabolic equivalent hours/wk), race (Caucasian, Asian, Hispanic or African American), family history of stroke/MI (yes or no), hypertension (yes or no), hypercholesterolemia (yes or no), current aspirin use (yes or no), multi-vitamin use (yes or no), postmenopausal hormone use (premenopause, never, current or past users) , oral contraceptives use (never, past or current users).

Psoriasis duration time is defined as the time from diagnosis date of psoriasis to diagnosis date of non-fatal CVD, death, or end of the follow up, whichever comes first.