Table 2.
Characteristics of the population at baseline (most recent values, up to 3 years prior to index date) by prevalent and incident cohort
| Prevalent(n=4315) | Incident(n=381) | ||||
|---|---|---|---|---|---|
|
Demographics |
n |
(%) |
n |
(%) |
Total N |
| Age | |||||
| 20-59 years |
777 |
(18.01%) |
98 |
(25.72%) |
875 |
| 60-64 |
415 |
(9.62%) |
28 |
(7.35%) |
443 |
| 65-69 |
512 |
(11.87%) |
39 |
(10.24%) |
551 |
| 70-74 |
607 |
(14.07%) |
60 |
(15.75%) |
667 |
| 75-79 |
735 |
(17.03%) |
57 |
(14.96%) |
792 |
| 80-84 |
630 |
(14.60%) |
59 |
(15.49%) |
689 |
| 85 years and over |
639 |
(14.81%) |
40 |
(10.50%) |
679 |
| Gender | |||||
| male |
2061 |
(47.76%) |
223 |
(58.53%) |
2284 |
| female |
2254 |
(52.24%) |
158 |
(41.47%) |
2412 |
| Race | |||||
| white |
4074 |
(94.41%) |
365 |
(95.80%) |
4539 |
| non-white |
241 |
(5.59%) |
16 |
(4.20%) |
257 |
|
Clinical findings and measurements | |||||
| BMI (kg/m2) | |||||
| <25 |
1034 |
(23.96%) |
83 |
(21.78%) |
1117 |
| 25-34 |
2331 |
(54.02%) |
219 |
(57.48%) |
2550 |
| >=35 |
950 |
(22.02%) |
79 |
(20.73%) |
1029 |
| Smoking Status | |||||
| current smoker |
418 |
(9.69%) |
38 |
(9.97%) |
456 |
| never or former smoker |
3897 |
(90.31%) |
343 |
(90.03%) |
4240 |
| Systolic blood pressure (mm/hg) | |||||
| <120 |
1267 |
(29.36%) |
126 |
(33.07%) |
1393 |
| 120-140 |
1637 |
(37.94%) |
149 |
(39.11%) |
1786 |
| >140 |
1411 |
(32.70%) |
106 |
(27.82%) |
1517 |
| Hemoglobin | |||||
| <11gm/dl |
466 |
(10.80%) |
42 |
(11.02%) |
508 |
| >= 11gm/dl |
3849 |
(89.20%) |
339 |
(88.98%) |
4188 |
| Renal function* (ml/min/1.73m2) | |||||
| >=60 |
2389 |
(55.37%) |
261 |
(68.50%) |
2650 |
| 45-60 |
972 |
(22.53%) |
64 |
(16.80%) |
1036 |
| 30-45 |
671 |
(15.55%) |
35 |
(9.19%) |
706 |
| <30 |
283 |
(6.56%) |
21 |
(5.51%) |
304 |
| Ejection fraction on echocardiogram(%) | |||||
| >65 |
353 |
(8.18%) |
18 |
(4.72%) |
371 |
| 51-65 |
2331 |
(54.02%) |
169 |
(44.36%) |
2500 |
| 41-50 |
533 |
(12.35%) |
60 |
(15.75%) |
593 |
| 31-40 |
488 |
(11.31%) |
62 |
(16.27%) |
550 |
| 21-30 |
417 |
(9.66%) |
55 |
(14.44%) |
472 |
| 1-20 |
193 |
(4.47%) |
17 |
(4.46%) |
210 |
| Posterior wall thickness on echocardiogram (mm) | |||||
| <11 |
1763 |
(40.86%) |
154 |
(40.42%) |
1917 |
| >=11 |
2552 |
(59.14%) |
227 |
(59.58%) |
2779 |
|
Comorbid diagnoses | |||||
| Atrial fibrillation | |||||
| yes |
1603 |
(37.15%) |
123 |
(32.28%) |
1726 |
| no |
2712 |
(62.85%) |
258 |
(67.72%) |
2970 |
| Aortic valvular disease | |||||
| yes |
1354 |
(31.38%) |
141 |
(37.01%) |
1495 |
| no |
2961 |
(68.62%) |
240 |
(62.99%) |
3201 |
| Coronary artery disease | |||||
| yes |
2224 |
(51.54%) |
178 |
(46.72%) |
2402 |
| no |
2091 |
(48.46%) |
203 |
(53.28%) |
2294 |
| Chronic lung disease | |||||
| yes |
2002 |
(46.40%) |
141 |
(37.01%) |
2143 |
| no |
2313 |
(53.60%) |
240 |
(62.99%) |
2553 |
| Depression | |||||
| yes |
961 |
(22.27%) |
81 |
(21.26%) |
1042 |
| no |
3354 |
(77.73%) |
300 |
(78.74%) |
3654 |
| Diabetes | |||||
| yes |
1480 |
(34.30%) |
102 |
(26.77%) |
1582 |
| no |
2835 |
(65.70%) |
279 |
(73.23%) |
3114 |
| Hypothyroidism | |||||
| yes |
726 |
(16.83%) |
47 |
(12.34%) |
773 |
| no |
3589 |
(83.17%) |
334 |
(87.66%) |
3923 |
| Hyperlipidemia | |||||
| yes |
2010 |
(46.58%) |
181 |
(47.51%) |
2191 |
| no |
2305 |
(53.42%) |
200 |
(52.49%) |
2505 |
| Peripheral vascular disease | |||||
| yes |
703 |
(16.29%) |
49 |
(12.86%) |
752 |
| no |
3612 |
(83.71%) |
332 |
(87.14%) |
3944 |
| Stroke | |||||
| yes |
474 |
(10.98%) |
37 |
(9.71%) |
511 |
| no |
3841 |
(89.02%) |
344 |
(90.29%) |
4185 |
| Transient ischemic attack | |||||
| yes |
298 |
(6.91%) |
23 |
(6.04%) |
321 |
| no | 4017 | (93.09%) | 358 | (93.96%) | 4375 |