Table 5. Conditional risk-stratification matrix (N=641)*.
| Demographics† |
Modifiable risk factors† |
5-year survival‡₸ (95% CI) § | 10-year survival‡₸ (95% CI) § | |||
|---|---|---|---|---|---|---|
| Sex | Age | Smoking status | Cardiac rhythm | |||
| Male | ≤65 | Non-smoker | Sinus rhythm | 0.99 (0.93-1.0) | 0.96 (0.84-0.99) | |
| Atrial fibrillation | 0.98 (0.85-1.0) | 0.91 (0.67-0.98) | ||||
| ≤65 | Recent smoker | Sinus rhythm | 0.97 (0.81-0.99) | 0.87 (0.58-0.97) | ||
| Atrial fibrillation | 0.93 (0.59-0.99) | 0.75 (0.28-0.94) | ||||
| >65 | Non-smoker | Sinus rhythm | 0.93 (0.67-0.98) | 0.73 (0.33-0.92) | ||
| Atrial fibrillation | 0.85 (0.45-0.97) | 0.52 (0.11-0.82) | ||||
| >65 | Recent smoker | Sinus rhythm | 0.79 (0.19-0.97) | 0.39 (0.02-0.80) | ||
| Atrial fibrillation | 0.61 (0.03-0.93) | 0.14 (0.00-0.63) | ||||
| Female | ≤65 | Non-smoker | Sinus rhythm | 0.99 (0.92-1.0) | 0.95 (0.81-0.99) | |
| Atrial fibrillation | 0.97 (0.82-1.0) | 0.90 (0.60-0.98) | ||||
| ≤65 | Recent smoker | Sinus rhythm | 0.96 (0.77-0.99) | 0.86 (0.51-0.97) | ||
| Atrial fibrillation | 0.92 (0.51-0.99) | 0.73 (0.21-0.94) | ||||
| >65 | Non-smoker | Sinus rhythm | 0.92 (0.62-0.99) | 0.71 (0.27-0.91) | ||
| Atrial fibrillation | 0.84 (0.37-0.97) | 0.49 (0.07-0.82) | ||||
| >65 | Recent smoker | Sinus rhythm | 0.77 (0.12-0.97) | 0.35 (0.01-0.81) | ||
| Atrial fibrillation | 0.58 (0.01-0.94) | 0.11 (0.00-0.64) | ||||
*, Robotic mitral valve repair procedure from May 2000 to April 2011; ₸, Deaths/Number at risk (1 year: 22/534; 5 years: 35/257; 10-years: 44/17); †, Preoperative status. ‡, Conditional upon already surviving 1 year after robotic mitral valve repair; §, Adjusted for race, obesity, hypertension, heart failure, chronic obstructive pulmonary disease, and diabetes. CI, confidence interval.