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Figure 1: ICU discharge score model.a)All patients receive 1-3 L nasal oxygenation. The score was increased 1 point if oxygen humidifier;b)Blood pressure measured invasive. In case of inotropes/vasodilators the score was increased 2 points;c)Continuous cardiac output. If SvO2 was below 60% the score was increased 2 points. Patients were considered eligible for discharge from the cardiac recovery unit with a steady discharge score [at least three consecutive measurements of 4 (IDS4) or below and no single variable score higher than 2]

Figure 1: ICU discharge score model.<sup>a)</sup>All patients receive 1-3 L nasal oxygenation. The score was increased 1 point if oxygen humidifier;<sup>b)</sup>Blood pressure measured invasive. In case of inotropes/vasodilators the score was increased 2 points;<sup>c)</sup>Continuous cardiac output. If SvO2 was below 60% the score was increased 2 points. Patients were considered eligible for discharge from the cardiac recovery unit with a steady discharge score [at least three consecutive measurements of 4 (IDS4) or below and no single variable score higher than 2]