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Observational Study
. 2013 Apr 1;19(4):e114-24.

Use of web-based shared medical records among patients with HIV

James D Ralston  1 , Michael J Silverberg, Louis Grothaus, Wendy A Leyden, Tyler Ross, Christine Stewart, Steven Carzasty, Michael Horberg, Sheryl L Catz
Affiliations
Observational Study

Use of web-based shared medical records among patients with HIV

James D Ralston et al. Am J Manag Care. .

Abstract

Objectives: To compare use of 7 shared electronic medical record (SMR) features by adult HIV patients.

Study design: Observational cohort study of adult HIV-positive patients in the first 36 months following implementation of the SMR at Group Health and Kaiser Permanente Northern California.

Methods: Automated data from the 36 months following SMR implementation were assessed in 2 integrated delivery systems. Cox proportional hazards analysis identified factors associated with any SMR use.

Results: Most (3888/7398) patients used the SMR at least once. Users were most likely to view medical test results (49%), use secure messaging (43%), or request appointments (31%) or medication refills (30%). Initial use was associated with new prescription for antiretroviral therapy (rate ratio [RR] 1.65, P <.001), recent change to a CD4+ count of fewer than 200 cells per microliter (RR = 1.34, P <.02), new HIV RNA of 75 or more copies per milliliter (RR = 1.63, P <.001), or recent increase in non-HIV comorbidity score (RR = 1.49, P = .0001). Users were less likely to be women (RR = 0.49, P = .0001), injection drug users (RR = 0.59, P = .0001), or from lower-socioeconomic status neighborhoods (RR = 0.68, P = .0001), and were less likely to be black (RR = 0.38, P = .0001), Hispanic (RR = 0.52, P = .0001) or Asian/Pacific Islander (RR = 0.59, P = .001).

Conclusions: SMR use was higher among HIV patients who had indicators of recent increases in healthcare needs and lower among several vulnerable populations.

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Conflict of interest statement

CONFLICTS OF INTEREST

The authors have no conflict of interest with the study.

Figures

Figure 1
Figure 1
Figures 1 a & b: Monthly Use Rate of Functions of Shared Electronic Medical Records Among Patients with HIV, First 36 Months of Service at Kaiser Permanente Northern California (Panel A) and Group Health (Panel B)a
Figure 1
Figure 1
Figures 1 a & b: Monthly Use Rate of Functions of Shared Electronic Medical Records Among Patients with HIV, First 36 Months of Service at Kaiser Permanente Northern California (Panel A) and Group Health (Panel B)a
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