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Table 1 Effectiveness of matching process by ethnic group

From: Record linked retrospective cohort study of 4.6 million people exploring ethnic variations in disease: myocardial infarction in South Asians

  Unmatched Matched Total % matched
Any Mixed Background 1139 10429 11568 90.2%
Other Ethnic group 1446 7115 8561 83.1%
Non Resident Students 2887 33272 36159 92.0%
No Response 37768 180872 218640 82.7%
Scotland 293786 4605671 4899457 94.0%
White Scottish 201306 3890972 4092278 95.1%
Other White British 24976 321278 346254 92.8%
White Irish 4332 41078 45410 90.5%
Other White 9943 61279 71222 86.0%
Indian 1651 11690 13341 87.6%
Pakistani 3580 23660 27240 86.9%
Bangladeshi 261 1463 1724 84.9%
Other South Asian 980 4526 5506 82.2%
Chinese 2459 12161 14620 83.2%
Caribbean 196 1400 1596 87.7%
African 723 3598 4321 83.3%
Black Scottish or Other Black 139 878 1017 86.3%