Table 4.

Cox Regression Analysis, Killip class II-III

	30-day mortality	1-year mortality
Lactate (per 1 mmol/L)	HR = 1.14 CI = 0.93–1.4	HR = 1.12 CI = 0.94–1.33
Lactate ≥2.5 mmol/L	HR = 5.94 CI = 1.23–28.64*	HR = 6.20 CI = 1.70–22.61*
SBP (per 10 mmHg)	HR = 0.86 CI = 0.67–1.09	HR = 0.89 CI = 0.73–1.08
SBP ≤ 90 mmHg	N.A	N.A
Male sex	HR = 0.61 CI = 0.16–2.28	HR = 0.77 CI = 0.25–2.35
Age (per 5 years)	HR = 1.16 CI = 0.83–1.62	HR = 1.20 CI = 0.91–1.59
BMI (per 5 units)	HR = 0.98 CI = 0.52–1.83	HR = 0.90 CI = 0.52–1.55

*P < 0,05

HR hazard ratio, CI 95% confidence interval, BMI body mass index, SBP systolic blood pressure