Table 1.
Bivariate correlates of hospital (30-day) mortality.
| Deaths (n/N; %) | P | |
|---|---|---|
| Age: <40 years | 2/71 (2.8%) | |
| 40–49 years | 6/146 (4.1%) | |
| 50–59 years | 7/91 (7.7%) | <0.001 |
| 60–69 years | 10/81 (12.3%) | |
| 70–79 years | 13/45 (28.9%) | |
| ≥80 years | 2/6 (33.3%) | |
|
| ||
| Sex (female) | 16/124 (12.9%) | 0.10 |
|
| ||
| IE Phase (active) | 37/365 (10.1%) | 0.09 |
|
| ||
| Site: Aortic | 14/200 (7%) | |
| Mitral | 9/110 (8.2%) | |
| Tricuspid | 6/41 (14.6%) | 0.27 |
| Mitroaortic | 10/71 (14.1%) | |
| Other | 1/18 (5.6%) | |
|
| ||
| Drug abuse | 2/58 (3.4%) | 0.07 |
|
| ||
| Diabetes | 9/51 (17.6%) | 0.03 |
|
| ||
| Preop. renal failure | 15/60 (25%) | <0.001 |
|
| ||
| Previous cardiac surgery | 4/38 (10.5%) | 0.17 |
|
| ||
| Ejection fraction <50% | 9/49 (18.4%) | 0.03 |
|
| ||
| NYHA class: I, II, or III | 14/350 (4.0%) | <0.001 |
| IV | 18/70 (25.7%) | |
|
| ||
| Pre-op. ventilatory support | 8/20 (40%) | <0.001 |
|
| ||
| Previous embolism | 12/142 (8.5%) | 0.86 |
|
| ||
| Cerebral embolism | 7/59 (11.9%) | 0.46 |
|
| ||
| Emergency operation | 17/55 (30.9%) | <0.001 |
|
| ||
| Positive latest preop. blood culture | 15/76 (19.7%) | 0.001 |
|
| ||
| Isolated microbial agent: Staphylococcal spp. |
7/106 (6.6%) | |
| Streptococcal spp. | 8/123 (6.5%) | 0.007 |
| Others1 | 12/55 (22%) | |
|
| ||
| Perivalvular involvement | 16/70 (22.9%) | <0.001 |
|
| ||
| Valve repair | 2/48 (4.2%) | 0.38 |
|
| ||
| Decade: 1980–1990 | 8/77 (10.4%) | 0.33 |
| 1990–1999 | 11/139 (7.9%) | |
| 2000–2009 | 21/224 (9.4%) | |
1“Others” here includes gram-negative, corynebacteria, enterococci, fungi, multimicrobial isolates (when introduced in analysis each of these groups constituted a separate modality of the “microbial agent” variable).