Table 3 Logistic regression estimates of mortality among socioeconomic groups in relation to age, and type and position of artificial valve
Odds ratio (95% CI)p Value
Age ⩾70 years
    Soc Group 21.11 (1.02 to 1.19)0.009
    Soc Group 31.44 (1.34 to 1.55)<0.0001
Age <70 years
    Soc Group 21.05 (0.98 to 1.14)0.18
    Soc Group 31.17 (1.08 to 1.27)<0.0001
Mechanical valve
    Soc Group 21.06 (0.99 to 1.14)0.12
    Soc Group 31.24 (1.16 to 1.34)<0.0001
Bioprosthetic valve
    Soc Group 21.07 (0.98 to 1.15)0.12
    Soc Group 31.29 (1.19 to 1.40)<0.0001
Aortic position
    Soc Group 21.07 (1.00 to 1.14)0.035
    Soc Group 31.22 (1.15 to 1.31)<0.0001
Mitral position
    Soc Group 21.03 (0.93 to 1.13)0.62
    Soc Group 31.18 (1.07 to 1.30)0.001

  • Groups 2 and 3 versus Group 1 (least deprived). Soc, socioeconomic.