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Table 3 PPV of condition codes for AMI in DPC and non-DPC claims

From: Positive predictive value of ICD-10 codes for acute myocardial infarction in Japan: a validation study at a single center

Definition

N

True AMI

PPV (95% confidence interval)a

Condition code for AMI in DPC or non-DPC claims

200

165

82.5 (76.5–87.5)%

Condition code for AMI in DPC claims

178

159

89.3 (83.8–93.4)%

Condition code for AMI in non-DPC claims only

22

6

27.3 (10.7–50.2)%

Condition code for AMI in either of type B-1, B-2 or B-3 in DPC claimsb

161

151

93.8 (88.9–97.0)%

Condition code for AMI in either of type B-5, B-6 or B-7 but not in B-1 B-2 or B-3 in DPC claims bc

17

8

47.1 (23.0–72.2)%

  1. PPV positive predictive value, AMI acute myocardial infarction, DPC Diagnosis Procedure Combination
  2. aExact binomial confidence interval
  3. bSee Table 1 for B-1, B-2, B-3, B-5, B-6 and B-7
  4. cNo patient had AMI as “other condition” (B-4)