Table 3.
Positive predictive values of cardiovascular diagnoses in the Danish National Patient Registry, by calendar year and type of hospital
| 2010 |
2011 |
2012 |
University hospital |
Regional hospital |
||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Confirmed diagnoses/available records | Positive predictive value, % (95% CI) | Confirmed diagnoses/available records | Positive predictive value, % (95% CI) | Confirmed diagnoses/available records | Positive predictive value, % (95% CI) | Confirmed diagnoses/available records | Positive predictive value, % (95% CI) | Confirmed diagnoses/available records | Positive predictive value, % (95% CI) | |
| Myocardial infarction | ||||||||||
| First-time myocardial infarction | 34/35 | 97 (85 to 99) | 28/29 | 97 (83 to 99) | 34/35 | 97 (85 to 99) | 59/61 | 97 (89 to 99) | 37/38 | 97 (87 to 100) |
| Recurrent myocardial infarction | 28/33 | 85 (69 to 93) | 35/38 | 92 (79 to 97) | 25/29 | 86 (69 to 95) | 47/51 | 92 (82 to 97) | 41/49 | 84 (71 to 91) |
| Stent thrombosis | 6/6 | 100 (61 to 100) | 7/9 | 78 (45 to 94) | 9/9 | 100 (70 to 100) | 20/21 | 95 (77 to 99) | 2/3 | 67 (21 to 94) |
| Angina pectoris | ||||||||||
| Stable angina pectoris | 32/35 | 91 (78 to 97) | 27/29 | 93 (78 to 98) | 30/32 | 94 (80 to 98) | 63/68 | 93 (84 to 97) | 26/28 | 93 (77 to 98) |
| Unstable angina pectoris | 26/29 | 90 (74 to 96) | 31/36 | 86 (71 to 94) | 27/31 | 87 (71 to 95) | 40/46 | 87 (74 to 94) | 44/50 | 88 (76 to 94) |
| Heart failure | ||||||||||
| First-time heart failure | 25/31 | 81 (64 to 91) | 27/38 | 71 (55 to 83) | 20/26 | 77 (58 to 89) | 29/40 | 73 (57 to 84) | 43/55 | 78 (66 to 87) |
| Readmission for heart failure | 21/28 | 75 (57 to 87) | 30/38 | 79 (64 to 89) | 22/30 | 73 (56 to 86) | 27/37 | 73 (57 to 85) | 46/59 | 78 (66 to 87) |
| Cardiomyopathy | ||||||||||
| Cardiomyopathy overall | 22/25 | 88 (70 to 96) | 22/24 | 92 (74 to 98) | 36/40 | 90 (77 to 96) | 61/66 | 92 (83 to 97) | 19/23 | 83 (63 to 93) |
| Dilated cardiomyopathy | 1/2 | 50 (9 to 91) | 6/7 | 86 (49 to 97) | 8/11 | 72 (43 to 90) | 6/8 | 75 (41 to 93) | 9/12 | 75 (47 to 91) |
| Hypertrophic cardiomyopathy | 4/5 | 80 (38 to 96) | 5/5 | 100 (57 to 100) | 9/10 | 90 (60 to 98) | 11/12 | 92 (65 to 99) | 7/8 | 88 (53 to 98) |
| Restrictive cardiomyopathy | 3/4 | 75 (30 to 95) | 1/2 | 50 (9 to 91) | 3/3 | 100 (44 to 100) | 7/9 | 78 (45 to 94) | 0/0 | N/A |
| Arrhythmogenic right ventricular cardiomyopathy | 8/8 | 100 (68 to 100) | 7/7 | 100 (65 to 100) | 5/5 | 100 (57 to 100) | 20/20 | 100 (84 to 100) | 0/0 | N/A |
| Takotsubo cardiomyopathy | 6/6 | 100 (61 to 100) | 3/3 | 100 (44 to 100) | 11/11 | 100 (74 to 100) | 17/17 | 100 (82 to 100) | 3/3 | 100 (44 to 100) |
| Hypertension | ||||||||||
| Arterial hypertension | 14/15 | 93 (70 to 99) | 39/43 | 91 (78 to 96) | 36/39 | 92 (80 to 97) | 35/41 | 85 (72 to 93) | 54/56 | 96 (88 to 99) |
| Pulmonary hypertension | 24/28 | 86 (69 to 94) | 26/31 | 84 (67 to 93) | 37/41 | 90 (77 to 96) | 49/60 | 82 (70 to 89) | 38/40 | 95 (84 to 99) |
| Cardiac arrhythmias | ||||||||||
| Atrial fibrillation or flutter | 27/29 | 93 (78 to 98) | 30/32 | 94 (80 to 98) | 35/36 | 97 (86 to 100) | 30/33 | 91 (76 to 97) | 62/64 | 97 (89 to 99) |
| Bradycardia | 24/26 | 92 (76 to 98) | 28/35 | 80 (64 to 90) | 35/39 | 90 (76 to 96) | 61/71 | 86 (76 to 92) | 26/29 | 90 (74 to 96) |
| Ventricular tachycardia or fibrillation | 23/30 | 77 (59 to 88) | 21/27 | 78 (59 to 89) | 33/39 | 85 (70 to 93) | 49/63 | 78 (66 to 86) | 28/33 | 85 (69 to 93) |
| Cardiac arrest | 29/32 | 91 (76 to 97) | 26/26 | 100 (87 to 100) | 39/42 | 93 (81 to 98) | 72/75 | 96 (89 to 99) | 22/25 | 88 (70 to 96) |
| Valvular heart disease | ||||||||||
| Mitral regurgitation or stenosis | 9/10 | 90 (60 to 98) | 15/16 | 94 (72 to 99) | 23/23 | 100 (86 to 100) | 30/32 | 94 (80 to 98) | 17/17 | 100 (82 to 100) |
| Aortic regurgitation or stenosis | 13/13 | 100 (77 to 100) | 16/16 | 100 (81 to 100) | 20/21 | 95 (77 to 99) | 29/29 | 100 (88 to 100) | 20/21 | 95 (77 to 99) |
| Inflammation/infection | ||||||||||
| Endocarditis | 25/29 | 86 (69 to 95) | 26/29 | 90 (74 to 96) | 28/38 | 74 (58 to 85) | 49/59 | 83 (72 to 91) | 30/37 | 81 (66 to 91) |
| Myocarditis | 14/21 | 67 (45 to 83) | 14/24 | 58 (39 to 76) | 14/21 | 67 (45 to 83) | 33/49 | 67 (53 to 79) | 9/17 | 53 (31 to 74) |
| Pericarditis | 31/36 | 86 (71 to 94) | 30/31 | 97 (84 to 99) | 29/31 | 93 (79 to 98) | 60/67 | 90 (80 to 95) | 30/31 | 97 (84 to 99) |
| Aortic diseases | ||||||||||
| Aortic dissection | 11/14 | 79 (52 to 92) | 16/16 | 100 (81 to 100) | 19/20 | 95 (76 to 99) | 32/36 | 89 (75 to 96) | 14/14 | 100 (78 to 100) |
| Aortic aneurysm/dilation | 13/13 | 100 (77 to 100) | 23/23 | 100 (86 to 100) | 14/14 | 100 (78 to 100) | 36/36 | 100 (90 to 100) | 14/14 | 100 (78 to 100) |
| Venous thromboembolism | ||||||||||
| First-time venous thromboembolism | 25/28 | 89 (73 to 96) | 30/33 | 91 (76 to 97) | 32/38 | 84 (70 to 93) | 28/34 | 82 (66 to 92) | 59/65 | 91 (81 to 96) |
| First-time deep venous thrombosis | 13/15 | 87 (62 to 96) | 13/14 | 93 (69 to 99) | 17/21 | 81 (60 to 92) | 13/16 | 81 (57 to 93) | 30/34 | 88 (73 to 95) |
| First-time pulmonary embolism | 12/13 | 92 (67 to 99) | 17/19 | 89 (69 to 97) | 15/17 | 88 (66 to 97) | 15/18 | 83 (61 to 94) | 29/31 | 94 (79 to 98) |
| Recurrent venous thromboembolism | 22/27 | 81 (63 to 92) | 20/29 | 69 (51 to 83) | 25/37 | 68 (51 to 80) | 25/39 | 64 (48 to 77) | 42/54 | 78 (65 to 87) |
| Recurrent deep venous thrombosis | 9/11 | 82 (52 to 95) | 9/13 | 69 (42 to 87) | 11/15 | 73 (48 to 89) | 6/10 | 60 (31 to 83) | 23/29 | 79 (62 to 90) |
| Recurrent pulmonary embolism | 13/16 | 81 (57 to 93) | 11/16 | 69 (44 to 86) | 14/22 | 64 (43 to 80) | 19/29 | 66 (47 to 80) | 19/25 | 76 (57 to 89) |
| Other | ||||||||||
| Arterial claudication | 18/20 | 90 (70 to 97) | 33/37 | 89 (75 to 96) | 37/40 | 93 (80 to 97) | 86/95 | 91 (83 to 95) | 2/2 | 100 (34 to 100) |
| Hypercholesterolaemia | 27/30 | 90 (74 to 97) | 30/31 | 97 (84 to 99) | 33/33 | 100 (90 to 100) | 48/51 | 94 (84 to 98) | 42/43 | 98 (88 to 100) |
| Cardiac tumours | 2/3 | 67 (21 to 94) | 9/11 | 82 (52 to 95) | 11/12 | 92 (65 to 99) | 17/18 | 94 (74 to 99) | 5/8 | 63 (31 to 86) |