A Prospective, Community-Based Evaluation of Liver Enzymes in Individuals With Hepatitis C After Drug Use

Fig. 2. Mean ALT values in selected Baltimore populations. Blood donors are HCV (-), HIV (-), hepatitis B virus surface antigen (-), and are from the Baltimore area. The reference population represents patient samples sent to a Baltimore reference laboratory for routine health screening of asymptomatic patients. Error bars represent 95% confidence intervals, which could not be calculated for the reference population.

 

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