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Figure 3 | BMC Medical Research Methodology

Figure 3

From: Misclassification of incident conditions using claims data: impact of varying the period used to exclude pre-existing disease

Figure 3

Incidence of conditions by duration of the prevalence period – non-cancer cohort. The prevalence period is the observation period used to exclude patients with the condition prior to sham index date. Hypertension is not shown to avoid compression of the vertical axis. Hypertension rates (/1,000) are as follows: 6 months 19.6; 12 months 16.9; 18 months 15.5; 24 months 14.5; 30 months 13.8; and 36 months 13.1.

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BMC Medical Research Methodology

ISSN: 1471-2288

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