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. Author manuscript; available in PMC: 2011 Aug 1.
Published in final edited form as: Am J Med. 2011 Aug;124(8):775.e1–775.e6. doi: 10.1016/j.amjmed.2011.03.028

Table 3.

Sensitivity Analysis Hazard Ratio Point Estimates

Covariate N
Unexposed
N
Psoriasis
Model Hazard
Ratio (95% CI)
Primary analysis 14,330 3,603 1.53(1.26, 1.85)
Inclusion of patients with at least 1 GP
visit per year on average
13,643 3,563 1.50(1.23, 1.81)
Primary model with exclusion of
methotrexate
13,289 1,358 1.86(1.44,2.41)
Primary model with exclusion of oral
retinoids or cyclosporine
13,253 2,653 1.42(1.14, 1.77)
Primary model restricted to patients
who received oral retinoids
13,253 303 1.56(1.05,2.32)
Primary model with exclusion of
psoriatic arthritis
13,289 1,156 1.44(1.16, 1.78)
Inclusion of patients with at least 6
months of person time
11,832 2,963 1.60(1.32, 1.95)
Primary model with BMI included* 9,870 2,433 1.71 (1.32,2.18)
Primary model without BMI included
in those who had BMI measured*
9,870 2,433 1.70(1.32,2.17)
*

BMI is included in n=12,303 or 69% of patients.

Abbreviations: BMI, body mass index; CI, confidence interval; GP, general practitioner; TIA, transient ischemic attack.