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2007 Childhood Immunization Measurement August 28, 2007

2007 Childhood Immunization Measurement August 28, 2007. Laura Sanchez, RN Project Manager, Medicaid Quality Improvement. Background Information. Contract with the Kansas Health Policy Authority (KHPA) 2007 Health Plan Employer Data and Information Set (HEDIS) Specifications

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2007 Childhood Immunization Measurement August 28, 2007

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  1. 2007 Childhood Immunization MeasurementAugust 28, 2007 Laura Sanchez, RN Project Manager, Medicaid Quality Improvement

  2. Background Information • Contract with the Kansas Health Policy Authority (KHPA) • 2007 Health Plan Employer Data and Information Set (HEDIS) Specifications • Hybrid Methodology

  3. Study Population • Children who turned two years of age during 2006 • Enrolled in HealthWave 19, HealthWave 21 or HealthConnect Kansas • Continuously enrolled 12 months prior to 2nd birthday • 6,612 members; 2,906 HealthWave 19; 773 HealthWave 21; and 2,933 HCK

  4. Data Collection • Hybrid methodology • Hybrid sample • 1,233 members; 411 from each program • Administrative data - claims, encounters and Kansas Immunization Registry (KSWebIZ) • Medical record review - members not up-to-date (721 of 1233) • Assigned provider and health department in the member’s county

  5. Calculation of Up-To-Date Rates • Individual antigens • Combination 2 Four diphtheria, tetanus and pertussis (DTaP/DT); three Polio (IPV); one measles, mumps and rubella (MMR); three haemophilus influenzae type B (Hib); three hepatitis B (HepB); and one chicken pox (VZV) • Combination 3 Children who received all of the vaccines listed in Combo. 2 and four pneumococcal conjugate vaccines (PCV)

  6. Rates for Combination 2 and 3 Percent of Children

  7. Overall Rates for Individual Vaccines

  8. SRS Regions with Statistically Significant Differences for Combination 2 Rates

  9. Comparison of Combination 2 Rates by Race A chi-square test showed there was a statistically significant difference (p=0.0094) among the four race categories (black, white, Hispanic and other).

  10. Unimmunized/Underimmunized Children • 6.4% of the children in the hybrid sample (79 of 1,233) were underimmunized in the administrative data, and a medical record was not located, or the received chart did not have an immunization history • 35 of the children only received birth HepB (KSWebIZ) • 1.5% of the children (19 of 1,233) were unimmunized; no vaccine history was found from any data source • Information from providers indicated that two of the 19 children had not received vaccines due to parental refusal

  11. For More Information Contact: Laura Sanchez, RN Project Manager, Medicaid Quality Improvement Kansas Foundation for Medical Care, Inc. 2947 SW Wanamaker Drive Topeka, KS 66614 1-800-432-0770 Lsanchez@kfmc.org

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