Table 1:
Subject demographics, risk factors, and vascular pathology stage for specimens in 7 decadal age groups. Pathology was quantified on a I to VI scale with I representing healthy and VI severely diseased arteries (Figure 3).
| Age group (years) | n | Males, % | Current/Former smokers, % | BMI (average ± SD) | HTN, % | DM, % | Dyslipidemia, % | CAD, % | SFA Pathology Stage I/II/III/IV/V/VI, % | PA Pathology Stage I/II/III/IV/V/VI, % |
|---|---|---|---|---|---|---|---|---|---|---|
| 16±2 (12–20) | 8 | 62 | 0/0 | 20±5 | 0 | 0 | 0 | 0 | 100/0/0/0/0/0 | 87/13/0/0/0/0 |
| 26±4 (21–30) | 10 | 70 | 30/20 | 28±5 | 10 | 10 | 10 | 0 | 50/50/0/0/0/0 | 30/60/10/0/0/0 |
| 37±2 (31–40) | 10 | 80 | 30/30 | 33±6 | 40 | 20 | 10 | 0 | 40/30/30/0/0/0 | 20/50/20/10/0/0 |
| 46±3 (41–50) | 21 | 71 | 48/10 | 34±8 | 57 | 19 | 14 | 14 | 10/24/24/14/0/29 | 0/33/19/14/14/19 |
| 57±3 (51–60) | 36 | 61 | 44/11 | 32±6 | 47 | 33 | 28 | 8 | 8/25/19/11/31/6 | 0/17/22/22/28/11 |
| 64±3 (61–70) | 30 | 80 | 27/17 | 33±6 | 70 | 27 | 20 | 3 | 0/20/17/40/20/3 | 0/10/23/23/37/7 |
| 76±7 (71–92) | 10 | 80 | 30/30 | 31±6 | 90 | 50 | 40 | 30 | 0/0/10/40/30/20 | 0/0/10/40/40/10 |
n: number of subjects in each age group, BMI: body mass index, HTN: hypertension, DM: diabetes mellitus, CAD: coronary artery disease