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Table 3 Agreement between ICD-9/ICD-10 and Alberta chart review data among AMI patients (N = 193)

From: ICD-10 coding algorithms for defining comorbidities of acute myocardial infarction

Comorbidities ICD-9 Data   ICD-10 Data  
  Sensitivity Specificity PPV NPV Sensitivity Specificity PPV NPV
Shock 60.0 98.9 60.0 98.9 60.0 99.5 75.0 98.9
(95% CI) (14.66 – 94.73) (96.21 – 99.87) (14.66 – 94.73) (96.21 – 99.87) (14.66 – 94.73) (97.07 – 99.99) (19.41 – 99.37) (96.23 – 99.87)
Diabetes with Complications 80.0 98.3 80.0 98.3 66.7 98.9 83.3 97.2
(95% CI) (51.91 – 95.67) (95.15 – 99.65) (51.91 – 95.67) (95.15 – 99.65) (38.38 – 88.18) (96.00 – 99.86) (51.59 – 97.91) (93.67 – 99.10)
Congestive Heart Failure 81.8 96.4 90.0 93.0 80.0 97.8 93.6 92.5
(95% CI) (69.10 – 0.92) (91.75 – 98.81) (78.19 – 96.67) (87.52 – 96.60) (67.03 – 89.57) (93.78 – 99.55) (82.46 – 98.66) (86.92 – 96.18)
Cancer 90.0 99.5 90.0 99.5 90.0 98.4 75.0 99.4
(95% CI) (55.50 – 99.75) (96.99 – 99.99) (55.50 – 99.75) (96.99 – 99.99) (55.50 – 99.75) (95.28 – 99.66) (42.81 – 94.51) (96.96 – 99.99)
Cerebrovascular disease 100.0 93.6 33.3 100.0 100.0 95.7 42.9 100.0
(95% CI) (54.07 – 100.00) (89.06 – 96.64) (13.34 – 59.01) (97.91 – 100.00) (54.07 – 100.00) (91.74 – 98.14) (17.66 – 71.14) (97.96 – 100.00)
Pulmonary Edema 7.1 100.0 100.0 86.4 7.1 100.0 100.0 86.4
(95% CI) (0.88 – 23.50) (97.79 – 100.00) (15.81 – 100.00) (80.69 – 90.91) (0.88 – 23.50) (97.79 – 100.00) (15.81 – 100.00) (80.69 – 90.91)
Acute Renal Failure 80.0 98.3 80.0 98.3 80.0 95.5 60.0 98.3
(95% CI) (51.91 – 95.67) (95.15 – 99.65) (51.91 – 95.67) (95.15 – 99.65) (51.91 – 95.67) (91.34 – 98.04) (36.05 – 80.88) (95.02 – 99.64)
Chronic Renal Failure 83.3 96.0 68.2 98.2 72.2 98.3 81.3 97.2
(95% CI) (58.58 – 96.42) (91.93 – 98.38) (45.13 – 86.14) (94.96 – 99.64) (46.52 – 90.31) (95.07 – 99.65) (54.35 – 95.95) (93.53 – 99.08)
Cardiac Dysrhythmias 35.9 100.0 100.0 56.1 35.8 97.7 95.0 55.6
(95% CI) (26.77 – 45.74) (95.85 – 100.00) (90.75 – 100.00) (47.94 – 64.08) (26.77 – 45.74) (91.94 – 99.72) (83.08 – 99.39) (47.31 – 63.58)