IQR = interquartile range; n = number; % = percentage; °F = grade
Fahrenheit; CVD = cardiovascular disease; CKD = chronic kidney disease;
COPD = chronic obstructive pulmonary disease; PD = parkinson’s disease;
SpO2 = peripheral capillary oxygen saturation; min =
minute; PaO2/FiO2 = ratio of arterial
oxygen partial pressure to fractional inspired oxygen; mmHg = millimetre
of mercury; CRP = C-reactive protein; mg = milligram; L = liter; FEU =
fibrinogen equivalent units; ng = nanogram; WBC = white blood cells;
K/µL = thousand cells per micro liter; LDH = lactate dehydrogenase; U/L
= units per liter; dL = deciliter; ALT = alanine aminotransferase; AST =
aspartate aminotransferase; MEWS = Modified Early Warning Score.