Table 3A.
Association between short valve longevity (<6 years) and valve characteristics.
| Characteristic | Univariate |
Multivariate |
||
|---|---|---|---|---|
| OR [95% CI] | P Value | OR [95% CI] | P Value | |
| Women (versus men) | 1.32 [0.74–2.38] | 0.35 | 1.20 [0.63–2.26] | 0.58 |
| Older age at first operation (≥60 y versus younger) |
2.79 [1.35–5.80] | 0.006 | 3.45 [1.57–7.57] | 0.002 |
| Blood type | 0.064 | – | ||
| A | 0.42 [0.19–0.93] | |||
| B | 1.42 [0.67–3.01] | |||
| AB | 1.09 [0.35–3.41] | |||
| O | 1.0 (reference) | |||
| Antigen A | 0.47 [0.24–0.91] | 0.026 | – | |
| Blood type A (versus other) | 0.38 [0.18–0.81] | 0.012 | 0.44 [0.20–0.95] | 0.037 |
| Rhesus positive (versus negative) | 2.15 [0.64–7.18] | 0.21 | 2.70 [0.79–9.23] | 0.11 |
| Aortic valve (versus other) | 1.30 [0.72–2.35] | 0.38 | 1.43 [0.75–2.72] | 0.28 |
| Single valve replaced | 0.44 [0.24–0.81] | 0.008 | 0.45 [0.23–0.93] | 0.016 |