Parameter | No MV (n = 90) | MV (n = 74) | OR for MV | 95% CI | P value |
---|---|---|---|---|---|
Median [IQR], mean (±SD) or count (%) | |||||
Age (years) | 46 [37–59] | 52.5 [43–65] | 1.027 | 1.01–1.05 | 0.01 |
Male sex | 72 (80.0%) | 60 (81.1%) | 1.07 | 0.49–2.36 | 0.86 |
Any comorbidities | 30 (33.3%) | 34 (45.9%) | 1.70 | 0.90–3.22 | 0.10 |
Deep wound | 2 (2.2%) | 2 (2.7%) | 1.22 | 0.14–10.39 | 0.84 |
Incubation period (days) (n = 122) | 10 [7–14] | 8 [6–11] | 0.99 | 0.952–1.04 | 0.78 |
Period of onset (h) (n = 141) | 48 [24–72] | 48 [24–48] | 0.98 | 0.97–0.99 | 0.004 |
Time from first symptom to admission (days) (n = 162) | 4 [3–6] | 3 [2–4] | 0.74 | 0.62–0.86 | < 0.001 |
History of difficulty breathing | 10 (11.1%) | 19 (25.7%) | 2.76 | 1.22–6.62 | 0.02 |
Clinical Features during first 24 h of admission | |||||
 Highest SBP (mmHg) | 136 [120–150] | 140 [130–147.5] | 1.01 | 0.99–1.03 | 0.38 |
 Highest heart rate (bpm) | 90 [82–99.5] | 97 [88–111.5] | 1.05 | 1.03–1.08 | < 0.001 |
 Heart rate range (bpm) | 12 [8–20] | 16 [10–26] | 1.05 | 1.02–1.08 | 0.001 |
 Highest temperature (°C) | 37.4 [37.0–37.6] | 37.5 [37.0––38.0] | 2.35 | 1.36–4.28 | 0.003 |
SpO2 (%) | 97 [96–98] | 96 [94–97] | 0.82 | 0.700–0.93 | 0.01 |
SOFA* score = 0 | 83 (92.2%) | 52 (70.3%) | Ref. | Â | Â |
SOFA* score > = 1 | 7 (7.8%) | 22 (29.7%) | 5.02 | 2.09–13.45 | 0.001 |
Urine output (ml/h) | 69.7 [42.2–125.5] | 76.6 [42.9–113.3] | 1.00 | 0.10–1.00 | 0.81 |
Creatinine (μmol/L) | 78.9 (± 16.4) | 90.9 (± 48.4) | 1.01 | 1.00–1.03 | 0.04 |
Platelets (× 109/L) | 283.6 (± 81.7) | 282.8 (± 97.4) | 1.00 | 1.00–1.00 | 0.96 |
Potassium (mEq/L) (n = 94) | 3.6 (± 0.4) | 3.7 (± 0.6) | 1.59 | 0.72–3.75 | 0.27 |
White blood count (× 109/L) (n = 95) | 9.6 [7.1–11.0] | 10.2 [8.4–13.0] | 1.15 | 1.02–1.34 | 0.04 |