Modelling of 30-day mortality for STEMI and NSTEMI to show the impact of confounding
STEMI | NSTEMI | |||
Estimated coefficient (95% CI) | p Value | Estimated coefficient (95% CI) | p Value | |
Intercept | −10.35 (−11.88 to −8.81) | <0.001 | −9.97 (−10.82 to −9.12) | <0.001 |
Age, per 10 years | 0.91 (0.66 to 1.15) | <0.001 | 0.92 (0.79 to 1.06) | <0.001 |
IMD score, per 10 points | 0.01 (−0.03 to 0.05) | 0.57 | 0.00 (−0.03 to 0.03) | 0.97 |
Proportion of females | 4.88 (3.64 to 6.13) | <0.001 | 1.48 (0.65 to 2.31) | <0.001 |
Proportion age missing | 8.49 (1.18 to 15.64) | 0.02 | 20.94 (12.63 to 28.97) | <0.001 |
Proportion sex missing | 0.65 (−0.50 to 1.75) | 0.25 | 1.73 (0.34 to 3.07) | 0.01 |
Proportion IMD score missing | −0.45 (−1.04 to 0.08) | 0.12 | 0.36 (−0.07 to 0.75) | 0.09 |
IMD, index of multiple deprivation; NSTEMI, non ST-elevation myocardial infarction ; STEMI, ST-elevation myocardial infarction.