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