| Day 1 | Day 7 | Day 14 |
---|---|---|---|
 | (N = 1152) | (N = 761) | (N = 383) |
Male | 73% (N = 1139) | 74% (N = 756) | 76% (N = 380) |
Age, years | 66 (58–72, N = 1126) | 65 (58–72, N = 753) | 66 (58–72, N = 381) |
 < 60 | 33% | 33% | 33% |
 60–70 | 35% | 36% | 35% |
 70–80 | 30% | 29% | 31% |
 > 80 | 2% | 2% | 2% |
BMI, kg/m2 | 27.8 (25.3–31.5, N = 988) | 28.4 (25.5–31.9, N = 670) | 28.1 (25.6–31.7, N = 328) |
 < 25 | 23% | 22% | 23% |
 25–30 | 44% | 43% | 44% |
 30–35 | 21% | 22% | 20% |
 > 35 | 12% | 13% | 13% |
ICU mortality | 28.8% (N = 1152) | 30.4% (N = 761) | 32.4% (N = 383) |
ICU-free days | 7 (0–21, N = 1152) | 6 (0–21, N = 761) | 3 (0–16, N = 383) |
Ventilator-free days | 15 (0–23, N = 1152) | 16 (0–24, N = 761) | 18 (0–25, N = 383) |
Laboratory | Â | Â | Â |
CRP, mg/L | 18 (104–267, N = 999) | 171 (82–266, N = 718) | 126 (60–196, N = 364) |
Creatinine, micromol/L | 83 (65–119, N = 1068) | 89 (64–148, N = 732) | 93 (61–156, N = 364) |
D-dimer, ng/mL | 1522 (893–3423, N = 354) | 2600 (1509–4976, N = 417) | 3120 (1900–4770, N = 241) |
Lactate, mmol/L | 1.2 (1.0–1.6, N = 1005) | 1.2 (0.9–1.6, N = 692) | 1.2 (0.9–1.4, N = 348) |
Leukocytes, 109/L | 9.7 (7.2–12.8, N = 1071) | 10.5 (7.9–13.9, N = 743) | 12.2 (9.7–15.5, N = 373) |
pH | 7.37 (7.32–7.41, N = 1105) | 7.41 (7.35–7.46, N = 742) | 7.4 (7.33–7.46, N = 369) |
Thrombocytes, 109/L | 251 (189–325, N = 1093) | 309 (225–397, N = 748) | 383 (281–507, N = 376) |
Respiratory parameters | Â | Â | Â |
Respiratory rate, /min | 22 (20–26, N = 846) | 24 (20–28, N = 618) | 25 (22–28, N = 324) |
FiO2, % | 45 (40–55, N = 1124) | 46 (40–58, N = 754) | 45 (36–60, N = 382) |
PEEP, cmH2O | 12 (10–14, N = 1121) | 12 (10–14, N = 758) | 10 (8–13, N = 383) |
Pressure control: | Â | Â | Â |
 Set pressure, cmH2O | 12 (10–15, N = 816) | 12 (8–16, N = 655) | 12 (8–16, N = 346) |
Volume control: | Â | Â | Â |
 Plat pressure, cmH2O | 24 (21–27, N = 528) | 25 (22–29, N = 481) | 25 (21–29, N = 276) |
Tidal volume, mL/kg PBW | 6.6 (6.1–7.6, N = 1085) | 6.8 (6.1–7.8, N = 729) | 6.9 (6.1–8.0, N = 362) |
Static compliancea, ml/cmH2O | 38 (30–52, N = 911) | 37 (28–57, N = 671) | 37 (26–60, N = 341) |
Driving pressure, cmH2O | 12 (9–14, N = 937) | 12 (8–16, N = 684) | 13 (9–16, N = 352) |
P/F-ratiob | 167 (130–210, N = 1110) | 152 (122–193, N = 756) | 161 (120–203, N = 380) |
Ventilatory ratioc | 1.7 (1.3–2.2, N = 1046) | 2.1 (1.7–2.7, N = 718) | 2.3 (1.8–2.9, N = 357) |