Table 5 Adjusted hazard ratios (HRs) with 95% confidence intervals for 1-year mortality with different surgical procedures
Surgical subgroup | SvO2 status | HR, adjusted for age, sex, and preoperative risk factors (N = 5833) | P | HR, adjusted for sex and Apache II and SOFA scores (N = 6282) | P |
|---|---|---|---|---|---|
CABG (N = 3311) | ≥ 60% at admission + at 4 h | 1 | 0.02 | 1 | < 0.001 |
≥ 60% at admission, < 60% at 4 h | 1.62 [0.90–2.91] | 0.11 | 1.47 [0.85–2.54] | 0.17 | |
< 60% at admission, ≥ 60% at 4 h | 1.79 [0.91–3.53] | 0.091 | 2.42 [1.40–4.19] | 0.002 | |
< 60% at admission + at 4 h | 2.28 [1.27–4.09] | 0.006 | 2.52 [1.50–4.24] | 0.001 | |
Valvular surgery (N = 1825) | ≥ 60% at admission + at 4 h | 1 | < 0.001 | 1 | 0.002 |
≥ 60% at admission, < 60% at 4 h | 1.35 [0.65–2.8] | 0.42 | 1.09 [0.55–2.16] | 0.80 | |
< 60% at admission, ≥ 60% at 4 h | 2.0 [0.84–4.78] | 0.12 | 1.48 [0.69–3.18] | 0.32 | |
< 60% at admission + at 4 h | 3.67 [2.01–6.7] | < 0.001 | 2.97 [1.69–5.22] | < 0.001 | |
Combined procedures (N = 756) | ≥ 60% at admission + at 4 h | 1 | 0.003 | 1 | 0.002 |
≥ 60% at admission, < 60% at 4 h | 1.50 [0.47–4.82] | 0.50 | 1.27 [0.40–4.04] | 0.69 | |
< 60% at admission, ≥ 60% at 4 h | 1.50 [0.39–5.83] | 0.56 | 2.08 [0.57–7.56] | 0.27 | |
< 60% at admission + at 4 h | 4.36 [1.92–9.9] | < 0.001 | 4.36 [1.96–9.70] | < 0.001 |