Table 1:
Author (Year) | Study Type, Population & Setting | Outcome Measure Reviewed | Results |
---|---|---|---|
Kolasa et al. (2006) | Cross-sectional survey in Philadelphia, PA of private practices where children were at risk for underimmunization. Children age 19 to 35 months. | UTD for 4:3:1:3 series in registry versus provider charts. | 62% UTD coverage in registry; 80% UTD coverage in chart. |
Boyd et al. (2002) | Cross-sectional survey in Bexar County, TX of clinics participating in the Vaccine for Children program. Children aged 12 to 35 months | UTD for 4:3:1 series in registry versus clinic provider charts. | 64.1% coverage in registry; 39.8% coverage in clinic charts. |
Stille et al. (2000) | Cohort study in Hartford, CT of infants younger than 1 month tracked through 7 months. Source population was three primary care facilities serving >80% Medicaid population. | UTD at seven months defined as 3 DTaP, 2 polio, 3 Hib, 2 Hep B in provider charts versus charts plus registry. | 53% UTD at chart review for cohort; 58% UTD after chart plus registry review for cohort. |
Davidson et al. (2003) | Cohort study in Denver, CO at Denver Health Medical Center. Two birth cohorts from 1993 and 1998. | UTD for 3:2:3 series in registry assessed at 12 months. | 83.1% UTD for 1993 cohort; 78.9% UTD for 1998 cohort. |
Khare et al. (2006) | Cross-sectional survey of four mature registries located in the US. Children aged 19 to 35 months. | UTD for 4:3:1:3 series in registry versus provider charts. | 31.7%, 65.4%, 71.9%, and 61.8% coverage at each site based on registry; 65.6%, 78.8%, 81.6%, and 77.0% UTD coverage at each site based on charts, respectively. |
Callahan et al. (2004) | Cohort study in Syracuse, New York at University Hospital. Patients < 11 years presenting in the Emergency Department. | UTD per Advisory Committee on Immunization Practices, depending on age. | 61% UTD in cohort. |
Kolasa et al. (2009) | Cross-sectional survey in Philadelphia, PA of all children born between November 1, 2003 and October 1, 2004, and living in areas served by two community-based outreach organizations. Study population was NUTD according to the registry at 10 months of age. | UTD at 10 months defined as 3 DTaP, 2 polio, 2 Hib, 2 Hep B (+1 at birth not recorded) in registry. | 64% UTD post-outreach, despite being marked as NUTD in registry. |
UTD = up-to-date, NUTD = not up-to-date; DTaP = Diptheria, Tetanus, acellular Pertusis, Hib = Haemophilus influenzae type b, Hep B = Hepatitis B