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Table 2 Accuracy of kidney transplant information captured in CORR, CIHI, and OHIP compared to information obtained directly from transplant centres (where the latter served as the reference standard)

From: Validation of kidney transplantation using administrative data

Database Total number of transplants identified Sensitivity (95% CI) Positive predictive value (95% CI)
Transplant Centres 1112 - -
CORR 1082 96% (94% to 97%) 98% (98% to 99%)
CIHI 1105 98% (97% to 99%) 98% (97% to 99%)
OHIP 1132 98% (97% to 99%) 96% (95% to 97%)
  1. Abbreviations: CI, confidence interval; CIHI, Canadian Institute for Health Information; CORR, Canadian Organ Replacement Register; OHIP, Ontario Health Insurance Plan.