Table 4. Univariate and multivariate analysis of factors predicting mortality.
| Logistic regression | Univariate | Multivariate | ||||
|---|---|---|---|---|---|---|
| OR | CI | p-value | OR | CI | p-value | |
| Age ≥60 years | 4.63 | 2.93–7.32 | <0.001 | 3.62 | 1.97–6.66 | <0.001 |
| Dyspnea | 1.55 | 1.02–2.35 | 0.040 | 1.00 | 0.56–1.79 | 0.992 |
| Confusion | 6.18 | 1.89–20.57 | 0.003 | 8.05 | 0.72–89.84 | 0.090 |
| Respiratory rate ≥28/min | 4.06 | 2.42–6.84 | <0.001 | 1.74 | 0.82–3.73 | 0.151 |
| SpO2 ≤90% | 3.50 | 2.38–5.15 | <0.001 | 2.52 | 1.52–4.18 | <0.001 |
| Any comorbidity† | 2.39 | 1.56–3.66 | <0.001 | 1.31 | 0.72–2.37 | 0.373 |
| Platelet/lymphocyte ratio ≥190 | 1.54 | 1.06–2.24 | 0.025 | 1.07 | 0.63–1.80 | 0.801 |
| Albumin <3.5 g/dl | 3.63 | 2.32–5.69 | <0.001 | 2.15 | 1.29–3.59 | 0.003 |
| D-dimer ≥0.9 μg/ml | 2.66 | 1.73–4.09 | <0.001 | 1.86 | 1.11–3.12 | 0.019 |
†
Includes diabetes mellitus, hypertension, congestive heart failure, chronic artery disease, chronic renal failure and cerebrovascular disease.
OR: Odds ratio; SpO2: Peripheral capillary oxygen saturation.