Table 2. Characteristics of patients in included studies.
| Study (author, year) | Number of patients | Age | Male | CCF | EF | HTN | DM | AVR performed |
| Data are presented as mean ± SD, median [IQR], or n (%). AVR: aortic valve replacement; CCF: congestive cardiac failure; DM: diabetes mellitus; EF: ejection fraction; HTN: hypertension; NR: not reported. | ||||||||
| Amanullah, 2021[6] | 1245 | 70.9 ± 12.3 | 622 (50.0%) | 418 (33.6%) | 58.3 ± 12.7 | 986 (79.2%) | 435 (34.9%) | 373 (30.0%) |
| Samad, 2016[5] | 1090 | 75 [67, 82] | 698 (64.0%) | 652 (59.8%) | NR | 717 (65.8%) | 392 (36.0%) | 287 (26.3%) |
| Chew, 2021[9] | 738 | 73.0 ± 12.0 | 439 (59.5%) | N/A | 64 ± 5 | 563 (76.3%) | 300 (40.7%) | 57 (7.7%) |
| Du, 2021[8] | 729 | 76 [67, 84] | 437 (59.9%) | N/A | 58 [45, 63] | 585 (80.2%) | 236 (32.4%) | 83 (11.4%) |
| Delesalle, 2019[3] | 508 | 75 ± 11 | 287 (56.5%) | 45 (8.9%) | 64 ± 8 | 398 (78.3%) | 246 (48.4%) | 113 (22.3%) |
| Jean, 2021[7] | 262 | 73.4 ± 10.4 | 203 (77.5%) | 262 (100%) | 38.5 ± 9.6 | 192 (73.3%) | 97 (37.0%) | 44 (16.8%) |
| Moon, 2020[4] | 255 | 70.1 ± 11.3 | 158 (62.0%) | 255 (100%) | 40.3 ± 8.5 | 150 (58.8%) | 89 (34.9%) | 37 (14.5%) |