Table 1.
Clinical characteristics of patients with COVID-19 treated with low-dose radiation therapy
| Variables | (n = 36) |
|---|---|
| Age | 83.64 (8.11)b |
| Sex | |
| Female | 17 (47.2)a |
| Male | 19 (52.8) |
| Neurologic diseases | 10 (27.8)b |
| Cardiovascular diseases | 30 (83.3)b |
| Respiratory diseases | 12 (33.3)b |
| Other comorbidities | 31 (86.1)b |
| Days with symptoms | 5.72 (1.54)b |
| Functional status (Barthel Index) | |
| Independent | 6 (16.7)a |
| Minimally dependent | 12 (33.3) |
| Partially dependent | 7 (19.4) |
| Very dependent | 8 (22.2) |
| Total dependent | 3 (8.3) |
| Geriatric Depression Scale (GDS) | |
| No cognitive decline | 18 (50)a |
| Very mild cognitive decline | 8 (22.2) |
| Mild cognitive decline | 5 (13.9) |
| Moderate cognitive decline | – |
| Moderately severe cognitive decline | 2 (5.6) |
| Severe cognitive decline | 3 (8.3) |
| Very severe cognitive decline | – |
| Pharmacological treatment | |
| Corticosteroids (dexamethasone) | 36 (100)a |
| Remdesivir | 2 (5.6) |
| Tocelizumab | 2 (5.6) |
| Basal SpO2 | 94.28 (2.85)b |
| Basal SaFi | 255.42 (117.75)b |
| Mild | 18 (50)a |
| Moderate | 5 (13.9) |
| Severe | 13 (36.1) |
| Basal PaFi | 251.39 (128.19)b |
| Mild | 25 (69.4)a |
| Moderate | 4 (11.1) |
| Severe | 7 (19.4) |
| CURB-65 Score | |
| 1 points | – |
| 2 points | 10 (27.8)a |
| 3 points | 17 (47.2) |
| 4 points | 9 (25) |
| CT lung involvement (%) | |
| < 5% | – |
| 5–25% | 1 (2.8)a |
| 26–50% | 7 (19.4) |
| 51–75% | 18 (50) |
| > 75% | 10 (27.8) |
| Final status | |
| Alive | 23 (63.9)a |
| Death due to COVID-19 | 8 (22.2) |
| Death due to other causes | 5 (13.9) |
CT Computed Tomography; CURB-65 validated clinical prediction score for predicting mortality in community-acquired pneumonia and infection of any site including measurement of: Confusion of new onset, Blood Urea Nitrogen, Respiratory rate, Blood pressure and Age; PaFi ratio of arterial oxygen partial pressure (PaO2) to Fractional Inspired Oxygen (FiO2); SpO2 oxygen saturation; SaFi ratio of SpO2 to FiO2
aResults shown as frequencies and percentages in parenthesis
bResults shown as means and standard deviations in parenthesis