| Authors | PAD assessment | PAD (%) | Mean age (years) | HTN (%) | Diabetes (%) | Smokers (%) |
| Our study, 2012 | ABI | 47.1 | 49.15 ± 15.18 | 83 | 4 | 20.75 |
| Ohtake et al. [18] , 2011 | ABI/TBI | 47.2 | 67.8 ± 12.2 | 95.8 | 40 | 14.4 |
| Adragao et al. [17] , 2012 | ABI | 41 | 65.6 ± 15 | - | 20 | 22
|
| Chen et al. [12] , 2016 | ABI | 18.6/52.8* | 59.3 | 91.3 | 58.2 | 19.9 |
| Matsuzawa et al. [13] , 2015 | ABI/TBI | 38.1 | 66 ± 11 | - | 48.6 | 57.6 |
| Ono et al. [5] , 2003 | ABI | 16.5 | 60.6 ± 12.5 | 79 | 33.8 | 41.4 |
| O’Hare et al. [14] , 2002 | Symptomatic disease** | 24 | 60 ± 16 | - | 43 | 47 |
| Sebastianski et al. [15] , 2014 | Symptomatic disease** | 19.1 | 60.3 ± 15.6 | 87.2 | 51.4 | 58.4 |