Table 6 Risk adjusted odds ratios (OR) for mortality in ICD-9 and ICD-10 data among AMI patients
From: ICD-10 coding algorithms for defining comorbidities of acute myocardial infarction
ICD-9 Data In-hospital | ICD-10 Data In-hospital | ICD-9 Data 30-Day | ICD-10 Data 30-Day | ICD-9 Data 1 Year | ICD-10 Data 1 Year | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Variables | OR | (95% CI) | OR | (95% CI) | OR | (95% CI) | OR | (95% CI) | OR | (95% CI) | OR | (95% CI) |
Age | ||||||||||||
20 – 49 | 1.0 | (1.0–1.0) | 1.0 | (1.0–1.0) | 1.0 | (1.0–1.0) | 1.0 | (1.0–1.0) | 1.0 | (1.0–1.0) | 1.0 | (1.0–1.0) |
50 – 64 | 2.1 | (1.4–3.2) | 1.1 | (0.7–1.8) | 2.0 | (1.5–2.8) | 1.5 | (1.0–2.2) | 2.1 | (1.6–2.8) | 1.7 | (1.3–2.4) |
65 – 74 | 4.4 | (2.9–6.7) | 2.3 | (1.5–3.6) | 4.3 | (3.1–6.1) | 2.8 | (1.9–4.2) | 4.6 | (3.5–5.9) | 3.6 | (2.7–5.0) |
>=75 | 11.4 | (7.6–17.14) | 7.5 | (4.9–11.6) | 10.1 | (7.2–14.1) | 8.0 | (5.5–11.7) | 11.6 | (9.0–15.0) | 11.0 | (8.1–14.9) |
Gender | ||||||||||||
Female | 1.0 | (1.0–1.0) | 1.0 | (1.0–1.0) | 1.0 | (1.0–1.0) | 1.0 | (1.0–1.0) | 1.0 | (1.0–1.0) | 1.0 | (1.0–1.0) |
Male | 0.7 | (0.7–0.8) | 1.0 | (0.9–1.2) | 0.8 | (0.8–0.9) | 1.1 | (1.0–1.2) | 0.9 | (0.8–1.0) | 1.0 | (0.9–1.1) |
Comorbidities | ||||||||||||
Shock | 10.0 | (8.4–11.9) | 10.4 | (8.1–13.4) | 8.1 | (6.9–9.6) | 7.6 | (6.0–9.7) | 4.8 | (4.1–5.7) | 4.2 | (3.3–5.4) |
Diabetes with Complications | 1.5 | (1.1–2.0) | 1.4 | (1.0–1.9) | 1.5 | (1.1–1.9) | 1.2 | (0.9–1.5) | 2.0 | (1.6–2.5) | 1.5 | (1.2–1.9) |
Congestive Heart Failure | 2.1 | (1.9–2.3) | 2.2 | (1.9–2.4) | 2.1 | (2.0–2.3) | 2.3 | (2.1–2.6) | 2.7 | (2.5–2.9) | 2.8 | (2.5–3.0) |
Cancer | 2.2 | (1.7–2.8) | 2.4 | (1.8–3.2) | 2.1 | (1.7–2.7) | 3.1 | (2.4–4.1) | 3.9 | (3.2–4.8) | 5.8 | (4.6–7.4) |
Cerebrovascular disease | 3.0 | (2.6–3.6) | 3.5 | (2.8–4.5) | 2.6 | (2.3–3.1) | 3.1 | (2.5–3.9) | 2.6 | (2.2–3.0) | 2.6 | (2.1–3.2) |
Pulmonary Edema | 2.6 | (1.8–3.8) | 2.5 | (1.5–4.1) | 2.5 | (1.7–3.6) | 2.9 | (1.8–4.5) | 2.8 | (2.0–3.9) | 3.4 | (2.2–5.1) |
Acute Renal Failure | 5.1 | (4.2–6.2) | 3.1 | (2.6–3.8) | 4.2 | (3.5–5.0) | 2.7 | (2.3–3.3) | 3.5 | (2.9–4.3) | 2.4 | (2.0–2.8) |
Chronic Renal Failure | 1.9 | (1.6–2.4) | 1.4 | (1.1–1.8) | 1.7 | (1.4–2.1) | 1.7 | (1.4–2.1) | 2.1 | (1.8–2.5) | 2.2 | (1.8–2.6) |
Cardiac Dysrhythmias | 2.0 | (1.9–2.3) | 1.8 | (1.6–2.1) | 1.8 | (1.6–1.9) | 1.6 | (1.4–1.8) | 1.6 | (1.5–1.8) | 1.5 | (1.3–1.6) |
Constant | 0.0 | (0.0–0.0) | 0.0 | (0.0–0.0) | 0.0 | (0.0–0.0) | 0.0 | (0.0–0.0) | 0.0 | (0.0–0.0) | 0.0 | (0.0–0.0) |
C-Statistic (AUC) | 0.841 | 0.826 | 0.816 | 0.809 | 0.815 | 0.812 | ||||||
Brier Score | 0.062 | 0.055 | 0.062 | 0.056 | 0.074 | 0.072 | ||||||
R-square | 0.224 | 0.201 | 0.195 | 0.182 | 0.207 | 0.207 | ||||||
Number of patients | 29610 | 20251 | 29610 | 20251 | 29610 | 20251 | ||||||