Table 1.
Baseline Characteristics.
| RWP (n = 10,322) n (%) | DPP (n = 3992) n (%) | ||
|---|---|---|---|
| Sex | Male | 6189 (60.0) | 2939 (73.6) |
| Female | 4133 (40.0) | 1053 (26.4) | |
| Age | Mean [SD] | 73.8 [9.9] | 73.5 [9.3] |
| <40 | 36 (0.3) | 5 (0.1) | |
| 40 s | 151 (1.5) | 49 (1.2) | |
| 50 s | 639 (6.2) | 231 (5.8) | |
| 60 s | 2245 (21.7) | 948 (23.7) | |
| 70 s | 4165 (40.4) | 1644 (41.2) | |
| 80 s | 2758 (26.7) | 1028 (25.8) | |
| ≥90 | 328 (3.2) | 87 (2.2) | |
| BMI (kg/m2) | Mean [SD] | 22.81 [3.66] | 22.49 [3.47] |
| <25.0 | 6951 (67.3) | 2967 (74.3) | |
| 25.0–29.9 | 1902 (18.4) | 710 (17.8) | |
| 30.0–34.9 | 258 (2.5) | 86 (2.2) | |
| ≥35.0 | 51 (0.5) | 7 (0.2) | |
| Unknown | 1160 (11.2) | 222 (5.6) | |
| Fontaine Classification | Stage I | 4215 (40.8) | 414 (10.4) |
| Stage II | 4445 (43.1) | 2778 (69.6) | |
| Stage III | 1090 (10.6) | 412 (10.3) | |
| Stage IV | 570 (5.5) | 387 (9.7) | |
| Unknown | 2 (0.0) | 1 (0.0) | |
| ABPI | <0.40 | 331 (3.2) | 303 (7.6) |
| 0.40–0.69 | 1953 (18.9) | 1680 (42.1) | |
| 0.70–0.89 | 2205 (21.4) | 1515 (38.0) | |
| 0.90–0.99 | 776 (7.5) | 117 (2.9) | |
| 1.00–1.39 | 1296 (12.6) | 132 (3.3) | |
| ≥1.40 | 4 (0.0) | 0 | |
| Unknown | 3757 (36.4) | 245 (6.1) | |
| History of Limb Revascularization | Without | 8885 (86.1) | 2597 (65.1) |
| With | 1387 (13.4) | 1387 (34.7) | |
| Unknown | 50 (0.5) | 8 (0.2) | |
| History of Limb Amputation | Without | 10,117 (98.0) | 3788 (94.9) |
| With | 202 (2.0) | 202 (5.1) | |
| Unknown | 3 (0.0) | 2 (0.1) | |
| Smoking History | Never smoked | 4445 (43.1) | 1120 (28.1) |
| Past smoker | 2594 (25.1) | 1471 (36.8) | |
| Current smoker | 1677 (16.2) | 888 (22.2) | |
| Unknown | 1606 (15.6) | 513 (12.9) | |
| History/Complication | Hypertension | 6508 (63.0) | 2800 (70.1) |
| Dyslipidemia | 4170 (40.4) | 1814 (45.4) | |
| Diabetes mellitus | 3953 (38.3) | 1805 (45.2) | |
| Chronic kidney disease | 1473 (14.3) | 734 (18.4) | |
| Heart disease | 3064 (29.7) | 1546 (38.7) | |
| Cerebrovascular disease | 1767 (17.1) | 779 (19.5) | |
| Medication | Sarpogrelate | 8416 (81.5) | 3262 (81.7) |
| Combined Medications | Aspirin | 2450 (23.7) | 1468 (36.8) |
| Antiplatelets other than aspirin | 1573 (15.2) | 788 (19.7) | |
| Statin | 3164 (30.7) | 1427 (35.7) |
Abbreviations: ABPI, ankle-brachial pressure index; BMI, body mass index; DPP, definite peripheral arterial disease population; RWP, real-world population; SD, standard deviation.