Table 1 Characteristics of included studies
Study (Author, Year) | Country | Study population | Study Design | PADa patients | Control | ||
|---|---|---|---|---|---|---|---|
Number (M/F)b | Age (SDc or Range) | Number (M/F) | Age (SD or Range) | ||||
Aoyama et al. 2017 [22] | Japan | hospital-based | cross-sectional | 34 (23/11) | 65.6 ± 11.8 | 956 (693/263) | 64.4 ± 13.0 |
Çalapkorur et al. 2017 [34] | Turkey | hospital-based | cross-sectional | 40 (32/8) | 60.45 ± 9.94 | 20 (18/2) | 57.40 ± 11.16 |
Ahn et al. 2016 [27] | South Korea | population-based | case-control | 72 (28/44) | NRd | 1271 (473/798) | NR |
Soto-Barreras et al. 2013 [26] | Mexico | hospital-based | case-control | 30 (8/22) | 61.86 ± 8.49 | 30 (9:21) | 63.23 ± 9.06 |
Chen et al. 2008 [30] | Japan | hospital-based | case-control | 25 (21/4) | 67.6 ± 10 | 32 (28/4) | 63.1 ± 10 |
Bloemenkamp et al. 2002 [33] | Netherlands | population-based | case-control | 212 (0/212) | 48.2 ± 7.0 | 475 (0/475) | 45.5 ± 8.1 |
Mendez et al. 1998 [25] | USA | population-based | cohort | 80 (80/0) | 44.2 (29–62) | 1030 (1030/0) | 42.7 (23–80) |