Overestimates of Survival after HAART: Implications for Global Scale-Up Efforts
2008

Survival Rates After HAART in Botswana

Sample size: 410 publication 10 minutes Evidence: high

Author Information

Author(s): Bisson Gregory P., Gaolathe Tendani, Gross Robert, Rollins Caitlin, Bellamy Scarlett, Mogorosi Mpho, Avalos Ava, Friedman Harvey, Dickinson Diana, Frank Ian, Ndwapi Ndwapi

Primary Institution: University of Pennsylvania School of Medicine

Hypothesis

How do losses to follow-up affect survival estimates and risk factors for death after HAART initiation?

Conclusion

High rates of death among patients lost to follow-up after HAART suggest that survival rates may be underestimated and important risk factors for death may be overlooked.

Supporting Evidence

  • 58.8% of patients initially categorized as lost were confirmed dead after tracing.
  • Patient tracing revealed a significantly lower survival rate after HAART initiation.
  • Men had a significantly increased risk of death after HAART compared to women.

Takeaway

When people stop going to their HIV treatment appointments, we might think they're okay, but many of them might actually be very sick or have died. Finding them can help us understand how well the treatment is working.

Methodology

A cohort study comparing clinical outcomes and risk factors for death after HAART initiation before and after tracing patients lost to follow-up.

Potential Biases

Potential bias in survival estimates and risk factors due to informative censoring of patients lost to follow-up.

Limitations

Reasons for losses to follow-up were not formally explored, and some patients remained lost despite tracing efforts.

Participant Demographics

Mean age 37 years, 60% female, 88% treatment naïve.

Statistical Information

P-Value

p<0.001

Confidence Interval

0.88–0.94 before tracing, 0.79–0.86 after tracing

Statistical Significance

p<0.001

Digital Object Identifier (DOI)

10.1371/journal.pone.0001725

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