Table 4 Discrepancies for 11–17-year-olds in MMR, hepatitis B, and varicella immunization data in provider records and the immunization registry.
Current registry user sites N = 6 sites, 143 matched records | Future direct-EMR-transfer sites N = 7 sites, 180 matched records | |||
|---|---|---|---|---|
% with discrepancy | Range among provider sites | % with discrepancy | Range among provider sites | |
MMR | ||||
Discrepancy in whether subject is up-to-date for MMR immunization | 19.6 | 9.5–43.5 | 14.4 | 5.3–36.4 |
Discrepancy in number of MMR immunizations received by subject | 18.2 | 9.5–43.5 | 11.1 | 0–31.8 |
Discrepancy in date of any MMR immunization in series | 22.4 | 5.3–33.3 | 16.1 | 7.5–38.1 |
Hepatitis B | ||||
Discrepancy in whether subject is up-to-date for hepatitis B immunization | 29.4 | 9.5–82.6 | 13.9 | 5.3–31.8 |
Discrepancy in number of hepatitis B immunizations received by subject | 27.3 | 10.0–78.3 | 12.8 | 4.8–22.7 |
Discrepancy in date of any hepatitis B immunization in series | 16.8 | 10.5–23.8 | 16.1 | 5.3–29.4 |
Varicella | ||||
Discrepancy in whether subject is up-to-date for varicella immunization | 69.2 | 23.8–100 | 63.9 | 57.5–82.4 |
Discrepancy in number of varicella immunizations received by subject* | 30.4 | 20.0–80.0 | 7.6 | 0–20.0 |
Discrepancy in date of any varicella immunization in series* | 3.6 | 0–10.0 | 2.9 | 0–20.0 |