Age yrs | 41 (36–47) | 42 (36–48) | 30 (24–36) |
Female sex % | 70 (49–90) | 68 (45–91) | 48 (26–70) |
BMI kg·m−2 | 39 (34–44) | 39 (35–43) | 34 (30–38) |
ALI or ARDS % | 91 (79–100) | NA | 65 (44–86) |
ARDS % | 83 (66–99) | NA | 48 (26–70) |
Required mechanical ventilation % | 87 (72–100) | 95 (84–100) | 35 (14–56) |
Maximum PEEP cmH2O | 21 (17–24) | 21 (17–24) | 16 (8–24) |
Minimum Pa,O2:FI,O2 ratio | 59 (50–98) | 58 (50–72) | 146 (73–240) |
Ventilator days | 7.3 (2.8–13) | 7.8 (3.4–16) | 11 (3–19) |
Septic shock % | 61 (39–82) | 74 (52–95) | 17 (1–34) |
Minimum Scv,O2 % | 62 (55–70) | 63 (54–68) | 51 (24–78) |
APACHE II | 26 (22–30) | 26 (22–36) | 16 (12–20) |
ICU length-of-stay days | 6.4 (3.1–13) | 10 (6.5–14) | 5 (2–8) |
Troponin I nearest in time to echocardiogram ng·mL−1 | 0.03 (0.01–0.2) | 0.08 (0.02–0.26) | NA |
Elevated troponin % | 8.7 (0–21) | 11 (0–26) | 0 |
In-patient mortality % | 30 (10–51) | 37 (13–61) | 4 (0–13) |