Skip to main content

Table 1 Ability to match primary care provider records to registry records by current age and age at first visit to the primary care site.

From: Implications for registry-based vaccine effectiveness studies from an evaluation of an immunization registry: A cross-sectional study

 

Current Registry Users

Future-Direct-EMR Users

 

Number with registry match/total

Percent with registry match

P-value*

Number with registry match/total

Percent with registry match

P-value*

Subject age group at time of review

      

   0–10 years

152/173

87.9

0.94

201/216

93.1

0.0067

   11–17 years

155/177

87.6

 

192/226

85.0

 

Age at first visit to primary care site

      

   0–10 years

274/301

91.0

< 0.0001

343/374

91.7

< 0.001

   11–17 years

25/40

62.5

 

36/52

69.2

 
  1. * Chi-square test statistic