Table 2.
Sociodemographic and clinical characteristics of patients hospitalized who underwent a mechanical surgical aortic valve replacement (SAVR) in Spain from 2001 to 2015.
| 2001-05 | 2006-10 | 2011-15 | Total | Trend | |
|---|---|---|---|---|---|
| Number of SAVRs | 15582 | 15001 | 15114 | 45697 | |
| Age, mean (SD) | 65.06 (11.25) | 65.25 (11.66) | 65.5 (11.99) | 65.27 (11.64) | <0.001 |
| 18-59 age group, n (%) | 4008 (25.72) | 4108 (27.38) | 4107 (27.17) | 12223 (26.75) | 0.001 |
| 60-69 age group, n (%) | 5290 (33.95) | 4803 (32.02) | 4977 (32.93) | 15070 (32.98) | <0.001 |
| 70-79 age group, n (%) | 5595 (35.91) | 4974 (33.16) | 4425 (29.28) | 14994 (32.81) | <0.001 |
| ≥80 age group, n (%) | 689 (4.42) | 1116 (7.44) | 1605 (10.62) | 3410 (7.46) | 0.001 |
| Female sex, n (%) | 5896 (37.84) | 5433 (36.22) | 5454 (36.09) | 16783 (36.73) | 0.002 |
| CCI index, mean (SD) | 0.81 (0.88) | 0.93 (0.93) | 1.04 (0.99) | 0.92 (0.94) | <0.001 |
| T2DM, n (%) | 2617 (16.8) | 3201 (21.34) | 3711 (24.55) | 9529 (20.85) | <0.001 |
| COPD, n (%) | 1346 (8.64) | 1303 (8.69) | 1267 (8.38) | 3916 (8.57) | <0.001 |
| Peripheral vascular disease, n (%) | 2124 (13.63) | 2655 (17.7) | 2988 (19.77) | 7767 (17) | <0.001 |
| Chronic kidney disease, n (%) | 747 (4.79) | 958 (6.39) | 1197 (7.92) | 2902 (6.35) | <0.001 |
| Cerebrovascular disease, n (%) | 514 (3.3) | 525 (3.5) | 725 (4.8) | 1764 (3.86) | <0.001 |
| Congestive heart failure, n (%) | 2219 (14.24) | 2238 (14.92) | 2495 (16.51) | 6952 (15.21) | <0.001 |
| Atrial fibrillation, n (%) | 4398 (28.22) | 4367 (29.11) | 4617 (30.55) | 13382 (29.28) | <0.001 |
| Coronary artery disease, n (%) | 4547 (29.18) | 4441 (29.6) | 4307 (28.5) | 13295 (29.09) | 0.154 |
| Pulmonary hypertension, n (%) | 833 (5.35) | 903 (6.02) | 944 (6.25) | 2680 (5.86) | 0.020 |
| CABG, n (%) | 2947 (18.91) | 2906 (19.37) | 2679 (17.73) | 8532 (18.67) | <0.001 |
| Pacemaker implantation, n (%) | 466 (2.99) | 503 (3.35) | 634 (4.19) | 1603 (3.51) | <0.001 |
| Emergency room, n (%) | 3654 (23.45) | 3246 (21.64) | 3044 (20.14) | 9944 (21.76) | <0.001 |
| LOHS, mean (SD) | 20.77 (17.54) | 19.84 (17.09) | 16.88 (16.37) | 19.17 (17.09) | <0.001 |
| IHM, n (%) | 1316 (8.45) | 1191 (7.94) | 891 (5.9) | 3398 (7.44) | <0.001 |
CABG=coronary artery bypass grafting; CCI=Charlson comorbidity index; COPD=chronic obstructive pulmonary disease; LOHS=length of hospital stay; IHM=in-hospital mortality; T2DM=type 2 diabetes mellitus