Variable | Aspirin N = 154 | Non-aspirin N = 609 | Crude P value | PS adjusted P-Value |
---|---|---|---|---|
Age (yrs) mean ± SD | 65 ± 16.5 | 48.8 ± 21.7 | <0.0001 | 0.88 |
Gender, n (%) | Â | Â | Â | Â |
 Female | 56 (36.4) | 152 (25) | 0.005 | 0.97 |
 Male | 98 (63.6) | 457 (75.1) |  |  |
Diabetes, n (%) | 102 (66.2) | 201 (33.8) | 0.0001 | 0.22 |
Admission category, n (%) | Â | Â | Â | Â |
 Non-operative | 145 (94.2) | 495 (81.3) | 0.0001 | 0.21 |
 Post-operative | 9 (5.8) | 114 (18.7) |  |  |
APACHE II, mean ± SD | 26.5 ± 7.2 | 22.9 ± 8.2 | <0.0001 | 0.67 |
Mechanical ventilation, n (%) | 135 (87.7) | 548 (90) | 0.40 | 0.93 |
SOFA on day 1, mean ± SD | 9.3 ± 3.3 | 9.2 ± 3.5 | 0.82 | 0.52 |
Sepsis, n (%) | 47 (30.5) | 147 (24.1) | 0.104 | 0.68 |
Chronic respiratory disease, n (%) | 43 (27.9) | 114 (18.7) | 0.011 | 0.19 |
Chronic cardiac disease n (%) | 76 (49.4) | 81 (13.3) | <0.0001 | 0.86 |
Chronic liver disease n (%) | 9 (5.8) | 45 (7.4) | 0.50 | 0.54 |
Chronic immunosuppression n (%) | 11 (7.1) | 55 (9.1) | 0.45 | 0.30 |
Chronic renal disease n% | 38 (24.7) | 65 (10.7) | 0.0001 | 0.43 |
GCS, mean ± SD | 9.0 ± 4.2 | 8.6 ± 4.1 | 0.23 | 0.70 |
Vasopressor, n (%) | 106 (68.8) | 390 (64.1) | 0.26 | 0.36 |
PaO2/FiO2 ratio, mean ± SD | 200 ± 98 | 221 ± 119 | 0.04 | 0.88 |
Statin use n% | 74 (48.1) | 33 (5.4) | <0.0001 | 0.83 |
Bilirubin (μmol/L), mean ± SDa | 31.2 ± 69.4 | 36.1 ± 70 | 0.50 | 0.26 |
Creatinine (μmol/L), mean ± SDa | 199.9 ± 171.2 | 148.8 ± 146.5 | 0.0002 | 0.15 |
INR, mean ± SD | 1.5 ± 0.8 | 1.5 ± 0.9 | 0.73 | 0.26 |
Platelet, x 109/L mean ± SD | 193.1 ± 121 | 247.9 ± 133.3 | <0.0001 | 0.048 |