Research Article

dCROX and ROX Indices Predict Clinical Outcomes in Patients with COVID-19 Pneumonia Treated with High-Flow Nasal Cannula Oxygen Therapy

Table 1

Baseline characteristics of hospitalized patients with COVID-19 pneumonia receiving high-flow nasal cannula treatment.

CharacteristicData (N = 106)

Age (years)62.1 ± 16.2
Male52 (49.1)
Female54 (50.9)
Body mass index (kg/m2)27.3 ± 5.6
Comorbidity
 Hypertension50 (47.2)
 Diabetes38 (35.8)
 Dyslipidemia33 (31.1)
 Chronic kidney disease11 (10.4)
 Cardiovascular disease5 (4.7)
 Malignancy4 (3.8)
 Cerebrovascular disease3 (2.8)
 COPD3 (2.8)
 Asthma2 (1.9)
Laboratory data
 Hemoglobin (g/dL)12.9 ± 2.1
 White blood cells count (μL)7,276.4 ± 3,478.7
 Neutrophils (%)73.5 ± 13.1
 Lymphocytes (%)17.7 ± 10.4
 Platelet (μL)207,679.2 ± 93,513.9
 CRP at admission (mg/L)92.0 ± 63.4
 CRP at 72 hours (mg/L)52.0 ± 47.3
 SpO2/FiO2 ratio276.1 ± 124.8
Outcomes of weaning from HFNC
 Success within 7 days38 (35.8)
 Success within 14 days65 (61.3)

Data shown as n (%) or the mean ± SD. COPD = chronic obstructive pulmonary disease, CRP = C-reactive protein, FiO2 = fraction of inspired oxygen, HFNC = high-flow nasal cannula, and SpO2 = oxygen saturation.