Table 2 Demographic and baseline characteristics for delay and no-delay groups
| Â | DelayN = 149 | No-DelayN = 1,460 | P- value |
|---|---|---|---|
Age | 55 ± 17 | 57 ± 19 | 0.07 |
Male sex | 94 (63.1) | 902 (61.8) | 0.64 |
Referring specialty: | Â | Â | Â |
Medical | 86 (57.3) | 833 (57.1) | 0.88 |
Surgical | 63 (42.3) | 627 (42.9) | Â |
APACHE II score | 20 (15 to 26) | 20 (1 to 26) | 0.99 |
Comorbidities: | Â | Â | Â |
COPD/Asthma | 17 (11.4) | 142 (9.7) | 0.51 |
Ischaemic heart disease | 15 (10.1) | 148 (10.1) | 0.98 |
End stage renal failure | 5 (3.4) | 35 (2.4) | 0.48 |
Metastatic cancer | 7 (4.7) | 47 (3.2) | 0.34 |
Acquired immunosuppression | 7 (4.7) | 82 (5.6) | 0.64 |
Cause for ICU admission: | Â | Â | Â |
Cardiac arrest/failure | 18 (12.1) | 117 (8) | 0.08 |
Haemorrhage | 9 (6) | 133 (9.1) | 0.21 |
Operative intervention | 32 (21.5) | 446 (30.5) | 0.02 |
Respiratory failure | 38 (25.5) | 230 (15.6) | <0.01 |
Sepsis | 23 (15.4) | 202 (13.8) | 0.6 |
Trauma | 7 (4.7) | 70 (4.8) | 0.96 |
Neurological failure | 5 (3.4) | 108 (7.4) | 0.07 |
Other | 17 (11.4) | 154 (10.5) | 0.75 |
Recorded data in the first 24 hours after ICU referral: | Â | Â | Â |
Intubated | 98 (66) | 847 (58) | 0.07 |
Lowest PaO2:FiO2 (kPa) | 25.8 (± 15.1) | 29.6 (± 18) | 0.02 |
Mean arterial pressure (mmHg) | 80.2 (± 33.1) | 79.1 (± 32.3) | 0.71 |
Creatinine (μmol/l) | 91 (73.2 to 143) | 94 (72 to 147) | 0.69 |
Lowest bicarbonate (mmol/l) | 19.4 (± 4.4) | 19.6 (± 8.1) | 0.72 |
GCS | 6 (3 to 15) | 10 (3 to 15) | 0.03 |
Bilirubin (μmol/l) | 22.7 (± 31.9) | 20.3 (± 31) | 0.41 |
Haemoglobin (g/l) | 11.2 (± 2.1) | 11.4 (± 1.9) | 0.2 |