Variable | Total ARDS (N = 240) | Bacterial Pneumonia (N = 135) | COVID-19 (N = 105) | P for Interaction With COVID-19 Status | |||
---|---|---|---|---|---|---|---|
Adjusted HR (95% CI) | P value | Adjusted HR (95% CI) | P value | Adjusted HR (95% CI) | P value | ||
Age, per 10 years | 1.143 (0.996, 1.311) | 0.056 | 1.164 (0.935, 1.449) | 0.174 | 1.055 (0.861, 1.292) | 0.606 | 0.644 |
Serum creatinine, per 10 μmol/L | 0.956 (0.925, 0.988) | 0.007 | 0.960 (0.913, 1.010) | 0.118 | 0.989 (0.967, 1.012) | 0.335 | 0.072 |
Serum procalcitonin, per 1 ng/L | 1.003 (0.978, 1.027) | 0.840 | 1.020 (0.986, 1.055) | 0.262 | 1.358 (0.832, 2.217) | 0.221 | 0.363 |
CK-MB, per 1 U/L | 0.998 (0.993, 1.002) | 0.258 | 0.992 (0.983, 1.002) | 0.114 | 1.014 (1.005, 1.024) | 0.003 | 0.016 |
PaO2/FiO2, per 1 mmHg | 0.996 (0.993, 0.999) | 0.015 | 0.998 (0.992, 1.003) | 0.433 | 0.997 (0.993, 1.000) | 0.081 | 0.480 |
D-dimer | |||||||
  < 0.5 μg/mL | Reference |  | Reference |  | Reference |  |  |
  ≥ 0.5 μg/mL | 2.011 (1.208, 3.347) | 0.007 | 1.526 (0.777, 2.999) | 0.220 | 2.655 (0.945, 7.456) | 0.064 | 0.457 |
IMV | |||||||
  No | Reference |  | Reference |  | Reference |  |  |
  Yes | 1.687 (1.140, 2.496) | 0.009 | 3.029 (1.541, 5.953) | 0.001 | 0.798 (0.441, 1.443) | 0.455 | 0.372 |
VTE prophylaxis | |||||||
  No | Reference |  | Reference |  | Reference |  |  |
  Yes | 0.796 (0.539, 1.175) | 0.250 | 0.467 (0.267, 0.816) | 0.007 | 1.367 (0.755, 2.478) | 0.303 | 0.022 |