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.

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


* Chi-square test statistic

Mahon et al. BMC Public Health 2008 8:160   doi:10.1186/1471-2458-8-160

Open Data